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Master Lock S31 Lightweight Thermoplastic Padlock, Zenex Key Retaining

  • S31 KD LT GRN COV LZ3 3KEY

    S31 KD LT GRN COV LZ3 3KEY

    $28.45 20% Off

    Keying
    Keyed Different
    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    3 keys per lock
    Language
    English
    More Details

  • S31 KAMK YLW LZ3 1KEY LRU

    S31 KAMK YLW LZ3 1KEY LRU

    $25.82 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Yellow
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 KAMK GRN LZ1 4KEY LFR

    S31 KAMK GRN LZ1 4KEY LFR

    $27.21 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Green
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    4 keys per lock
    Language
    Euro French
    More Details

  • S31 MK ORJ COV LZ2 1KEY LRU

    S31 MK ORJ COV LZ2 1KEY LRU

    $25.49 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 MK PRP LZ1 1KEY LFR

    S31 MK PRP LZ1 1KEY LFR

    $21.32 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Purple
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    Language
    Euro French
    More Details

  • S31 KAMK ORJ LZ3

    S31 KAMK ORJ LZ3

    $25.82 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    2 keys per lock
    Language
    English
    More Details

  • S31 KD LT ORJ COV LZ4 4KEY LFR

    S31 KD LT ORJ COV LZ4 4KEY LFR

    $31.86 20% Off

    Keying
    Keyed Different
    Shackle Length
    3" Stainless Steel
    Color
    Orange
    Cover
    Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    4 keys per lock
    Language
    Euro French
    More Details

  • S31 KD LT TEAL LZ1 NOKEY LRU

    S31 KD LT TEAL LZ1 NOKEY LRU

    $19.20 20% Off

    Keying
    Keyed Different
    Shackle Length
    3" Stainless Steel
    Color
    Teal
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    0 keys per lock
    Language
    Russian
    More Details

  • S31 KD LT PRP COV LZ4 NOKEY LFR

    S31 KD LT PRP COV LZ4 NOKEY LFR

    $26.92 20% Off

    Keying
    Keyed Different
    Shackle Length
    3" Stainless Steel
    Color
    Purple
    Cover
    Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    0 keys per lock
    Language
    Euro French
    More Details

  • S31 KAMKW417 BLU LZ4 NOKEY

    S31 KAMKW417 BLU LZ4 NOKEY

    $27.59 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Blue
    Cover
    Not Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 KAMKW417 ORJ LZ4 3KEY

    S31 KAMKW417 ORJ LZ4 3KEY

    $30.89 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Not Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    3 keys per lock
    Language
    English
    More Details

  • S31 KAMKW417 ORJ COV LZ3 LFR

    S31 KAMKW417 ORJ COV LZ3 LFR

    $28.22 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    2 keys per lock
    Language
    Euro French
    More Details

  • S31 MKW417 WHT COV LZ1 1KEY LRU

    S31 MKW417 WHT COV LZ1 1KEY LRU

    $23.72 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    White
    Cover
    Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 KA ORJ LZ3 NOKEY

    S31 KA ORJ LZ3 NOKEY

    $21.52 20% Off

    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 MK LT RED LZ3

    S31 MK LT RED LZ3

    $27.05 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    2 keys per lock
    Language
    English
    More Details

  • S31 KAMKW417 PRP LZ4 3KEY LFR

    S31 KAMKW417 PRP LZ4 3KEY LFR

    $30.89 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Purple
    Cover
    Not Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    3 keys per lock
    Language
    Euro French
    More Details

  • S31 KA PRP COV LZ1 NOKEY

    S31 KA PRP COV LZ1 NOKEY

    $20.37 20% Off

    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Stainless Steel
    Color
    Purple
    Cover
    Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 KA WHT LZ1 LRU

    S31 KA WHT LZ1 LRU

    $17.97 20% Off

    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Stainless Steel
    Color
    White
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    2 keys per lock
    Language
    Russian
    More Details

  • S31 KA WHT COV 1KEY LRU

    S31 KA WHT COV 1KEY LRU

    $18.59 20% Off

    Keying
    Keyed Alike
    Shackle Length
    1-1/2" Stainless Steel
    Color
    White
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 KA LT BLU COV NOKEY

    S31 KA LT BLU COV NOKEY

    $20.77 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Blue
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 MK LT BLU COV LZ2

    S31 MK LT BLU COV LZ2

    $27.67 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Blue
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    2 keys per lock
    Language
    English
    More Details

  • S31 KA LT TEAL COV NOKEY LFR

    S31 KA LT TEAL COV NOKEY LFR

    $20.77 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Teal
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    0 keys per lock
    Language
    Euro French
    More Details

  • S31 MK TEAL LFR

    S31 MK TEAL LFR

    $19.54 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Teal
    Cover
    Not Included
    Custom Marking
    Not Included
    Number of Key
    2 keys per lock
    Language
    Euro French
    More Details

  • S31 MKW417 YLW 3KEY LRU

    S31 MKW417 YLW 3KEY LRU

    $22.84 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Yellow
    Cover
    Not Included
    Custom Marking
    Not Included
    Number of Key
    3 keys per lock
    Language
    Russian
    More Details

  • S31 MKW417 ORJ COV LFR

    S31 MKW417 ORJ COV LFR

    $21.94 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    2 keys per lock
    Language
    Euro French
    More Details

  • S31 MK LT ORJ LFR

    S31 MK LT ORJ LFR

    $21.72 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Orange
    Cover
    Not Included
    Custom Marking
    Not Included
    Number of Key
    2 keys per lock
    Language
    Euro French
    More Details

  • S31 MK LTW417 BLK NOKEY LFR

    S31 MK LTW417 BLK NOKEY LFR

    $21.72 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Black
    Cover
    Not Included
    Custom Marking
    Not Included
    Number of Key
    0 keys per lock
    Language
    Euro French
    More Details

  • S31 KAMK LT YLW COV LZ2 4KEY

    S31 KAMK LT YLW COV LZ2 4KEY

    $33.56 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Yellow
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    4 keys per lock
    Language
    English
    More Details

  • S31 MK LT ORJ COV LZ3 4KEY

    S31 MK LT ORJ COV LZ3 4KEY

    $34.39 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Orange
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    4 keys per lock
    Language
    English
    More Details

  • S31 KAMK LTW417 GRN COV LFR

    S31 KAMK LTW417 GRN COV LFR

    $25.07 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    2 keys per lock
    Language
    Euro French
    More Details

  • S31 MK LT TEAL LZ1 1KEY LFR

    S31 MK LT TEAL LZ1 1KEY LFR

    $23.50 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Teal
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    Language
    Euro French
    More Details

  • S31 KA LT GRN LZ1 1KEY

    S31 KA LT GRN LZ1 1KEY

    $20.15 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    Language
    English
    More Details

  • S31 KD BLU LZ2 NOKEY LRU

    S31 KD BLU LZ2 NOKEY LRU

    $18.79 20% Off

    Keying
    Keyed Different
    Shackle Length
    1-1/2" Stainless Steel
    Color
    Blue
    Cover
    Not Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    0 keys per lock
    Language
    Russian
    More Details

  • S31 KA LT GRN COV LZ4

    S31 KA LT GRN COV LZ4

    $27.87 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    2 keys per lock
    Language
    English
    More Details

  • S31 KA LT BLU LZ2 NOKEY

    S31 KA LT BLU LZ2 NOKEY

    $21.92 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Blue
    Cover
    Not Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 MK LT WHT COV LZ4 NOKEY LRU

    S31 MK LT WHT COV LZ4 NOKEY LRU

    $31.22 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    White
    Cover
    Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    0 keys per lock
    Language
    Russian
    More Details

  • S31 MK LTW417 RED COV LZ1 4KEY LFR

    S31 MK LTW417 RED COV LZ1 4KEY LFR

    $30.84 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    4 keys per lock
    Language
    Euro French
    More Details

  • S31 KA LT ORJ LZ3 1KEY LFR

    S31 KA LT ORJ LZ3 1KEY LFR

    $23.70 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Orange
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    1 key per lock
    Language
    Euro French
    More Details

  • S31 MK LTW417 YLW LZ2 LRU

    S31 MK LTW417 YLW LZ2 LRU

    $25.27 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Yellow
    Cover
    Not Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    2 keys per lock
    Language
    Russian
    More Details

  • S31 MK LTW417 YLW COV LZ2 3KEY LRU

    S31 MK LTW417 YLW COV LZ2 3KEY LRU

    $30.97 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Yellow
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    3 keys per lock
    Language
    Russian
    More Details

  • S31 MK LTW417 YLW COV LZ3 NOKEY LFR

    S31 MK LTW417 YLW COV LZ3 NOKEY LFR

    $29.45 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Yellow
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    0 keys per lock
    Language
    Euro French
    More Details

  • S31 KA LT TEAL COV LZ2 1KEY LFR

    S31 KA LT TEAL COV LZ2 1KEY LFR

    $24.32 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Teal
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    1 key per lock
    Language
    Euro French
    More Details

  • S31 KA LT PRP LZ3 NOKEY

    S31 KA LT PRP LZ3 NOKEY

    $23.70 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" Stainless Steel
    Color
    Purple
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 KAMK LTW417 RED LZ3

    S31 KAMK LTW417 RED LZ3

    $28.00 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    2 keys per lock
    Language
    English
    More Details

  • S31 KAMK LTW417 RED COV LZ4 LFR

    S31 KAMK LTW417 RED COV LZ4 LFR

    $32.17 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    2 keys per lock
    Language
    Euro French
    More Details

  • S31 MK LTW417 BLK LZ2 NOKEY

    S31 MK LTW417 BLK LZ2 NOKEY

    $25.27 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Black
    Cover
    Not Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    0 keys per lock
    Language
    English
    More Details

  • S31 KAMK LTW417 GRN LZ3 NOKEY LFR

    S31 KAMK LTW417 GRN LZ3 NOKEY LFR

    $28.00 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    0 keys per lock
    Language
    Euro French
    More Details

  • S31 KAMK LTW417 GRN COV LZ2 3KEY

    S31 KAMK LTW417 GRN COV LZ2 3KEY

    $31.92 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    3 keys per lock
    Language
    English
    More Details

  • S31 KD WHT COV LZ2

    S31 KD WHT COV LZ2

    $21.19 20% Off

    Keying
    Keyed Different
    Shackle Length
    1-1/2" Stainless Steel
    Color
    White
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    2 keys per lock
    Language
    English
    More Details

  • S31 KD WHT COV LZ2 NOKEY LRU

    S31 KD WHT COV LZ2 NOKEY LRU

    $21.19 20% Off

    Keying
    Keyed Different
    Shackle Length
    1-1/2" Stainless Steel
    Color
    White
    Cover
    Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    0 keys per lock
    Language
    Russian
    More Details
Showing 151 - 200 of 16200 items

Product Features

  • 3/16" shackle diameter fits in more places
  • Made of durable, chemical resistant engineered plastic with a thermal range of -70 to +350 degrees F (-56 to +176 C)
  • Choice of 9 colors
  • Optional cover available to protect shackle and keyway from dust and grime in harsh environments
  • Includes labels in English, Spanish, and French
  • Dimensions
    • Vertical Clearance: 1-1/2" (3" shackle option available)
    • Horizontal Clearance: 5/8"
    • Shackle Diameter: 3/16"
  • All orders must be in increments of 6

Lockout-tagout (LO/TO) safety procedures, as defined by Occupational Safety and Health Administration (OSHA), require that lockout devices be durable and standardized. Lockout devices use color, warning labels or tags, and a physical barrier to temporarily prohibit machine operation or power activation, and reduce accidents, during maintenance or repair. This padlock is just one of many parts needed to safely execute a lockout.