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Master Lock S31 Lightweight Thermoplastic Padlock, Zenex Key Retaining

  • S31 KAMK LTW417 TEAL LZ3 3KEY

    S31 KAMK LTW417 TEAL LZ3 3KEY

    $31.30 20% Off

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

  • S31 KAMK LTW417 PRP COV LZ4 NOKEY LFR

    S31 KAMK LTW417 PRP COV LZ4 NOKEY LFR

    $32.17 20% Off

    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 MK BLK COV LZ2 1KEY

    S31 MK BLK COV LZ2 1KEY

    $25.49 20% Off

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

  • S31 KAMK YLW COV LZ1 LRU

    S31 KAMK YLW COV LZ1 LRU

    $24.67 20% Off

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

  • S31 MK BLK COV LZ3 3KEY LFR

    S31 MK BLK COV LZ3 3KEY LFR

    $30.57 20% Off

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

  • S31 KAMK ORJ COV LZ2 LFR

    S31 KAMK ORJ COV LZ2 LFR

    $26.44 20% Off

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

  • S31 MKW417 RED LZ4 1KEY LRU

    S31 MKW417 RED LZ4 1KEY LRU

    $26.64 20% Off

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

  • S31 MKW417 RED COV LZ1 4KEY LFR

    S31 MKW417 RED COV LZ1 4KEY LFR

    $28.66 20% Off

    Shackle Length
    1-1/2" 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 MKW417 RED COV LZ2 4KEY LRU

    S31 MKW417 RED COV LZ2 4KEY LRU

    $30.43 20% Off

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

  • S31 KAMK PRP COV LZ3 4KEY LRU

    S31 KAMK PRP COV LZ3 4KEY LRU

    $33.16 20% Off

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

  • S31 MKW417 BLU COV LZ3 1KEY LRU

    S31 MKW417 BLU COV LZ3 1KEY LRU

    $27.27 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Blue
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 KAMKW417 GRN COV LZ4

    S31 KAMKW417 GRN COV LZ4

    $29.99 20% Off

    Shackle Length
    1-1/2" 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 KAMKW417 ORJ COV LZ4 1KEY LRU

    S31 KAMKW417 ORJ COV LZ4 1KEY LRU

    $29.99 20% Off

    Shackle Length
    1-1/2" Stainless Steel
    Color
    Orange
    Cover
    Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 KD GRN 1KEY LRU

    S31 KD GRN 1KEY LRU

    $15.24 20% Off

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

  • S31 KD TEAL NOKEY LFR

    S31 KD TEAL NOKEY LFR

    $15.24 20% Off

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

  • S31 KA WHT LZ2 1KEY LRU

    S31 KA WHT LZ2 1KEY LRU

    $19.74 20% Off

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

  • S31 KD LT YLW COV 3KEY

    S31 KD LT YLW COV 3KEY

    $23.12 20% Off

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

  • S31 KD LT ORJ COV NOKEY

    S31 KD LT ORJ COV NOKEY

    $19.82 20% Off

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

  • S31 KA YLW 1KEY

    S31 KA YLW 1KEY

    $16.19 20% Off

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

  • S31 MK LT BLU LZ2 4KEY

    S31 MK LT BLU LZ2 4KEY

    $30.21 20% Off

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

  • S31 KA BLK COV 1KEY

    S31 KA BLK COV 1KEY

    $18.59 20% Off

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

  • S31 MK YLW COV 4KEY LFR

    S31 MK YLW COV 4KEY LFR

    $26.88 20% Off

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

  • S31 KAMK LT RED COV LZ3 NOKEY

    S31 KAMK LT RED COV LZ3 NOKEY

    $30.40 20% Off

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

  • S31 KD YLW LZ3 1KEY

    S31 KD YLW LZ3 1KEY

    $20.57 20% Off

    Keying
    Keyed Different
    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
    English
    More Details

  • S31 MKW417 ORJ COV

    S31 MKW417 ORJ COV

    $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
    English
    More Details

  • S31 KAMK LT YLW LZ2 4KEY

    S31 KAMK LT YLW LZ2 4KEY

    $31.16 20% Off

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

  • S31 MK LT RED COV 4KEY

    S31 MK LT RED COV 4KEY

    $29.06 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    4 keys per lock
    Language
    English
    More Details

  • S31 MK LTW417 RED 3KEY LFR

    S31 MK LTW417 RED 3KEY LFR

    $25.02 20% Off

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

  • S31 MK LTW417 WHT COV LFR

    S31 MK LTW417 WHT COV LFR

    $24.12 20% Off

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

  • S31 KAMK BLK 1KEY LFR

    S31 KAMK BLK 1KEY LFR

    $20.49 20% Off

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

  • S31 KAMK WHT COV LFR

    S31 KAMK WHT COV LFR

    $22.89 20% Off

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

  • S31 KAMKW417 WHT 3KEY

    S31 KAMKW417 WHT 3KEY

    $23.79 20% Off

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

  • S31 KAMK LT BLU COV LRU

    S31 KAMK LT BLU COV LRU

    $25.07 20% Off

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

  • S31 KAMK LT PRP COV LFR

    S31 KAMK LT PRP COV LFR

    $25.07 20% Off

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

  • S31 KD BLU COV LZ2 LRU

    S31 KD BLU COV LZ2 LRU

    $21.19 20% Off

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

  • S31 MK LTW417 RED LZ1 3KEY

    S31 MK LTW417 RED LZ1 3KEY

    $26.80 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    3 keys per lock
    Language
    English
    More Details

  • S31 KD BLK COV LZ1 NOKEY LFR

    S31 KD BLK COV LZ1 NOKEY LFR

    $19.42 20% Off

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

  • S31 KAMK LT TEAL LZ1 1KEY LRU

    S31 KAMK LT TEAL LZ1 1KEY LRU

    $24.45 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
    Russian
    More Details

  • S31 KA LT ORJ LZ4 3KEY

    S31 KA LT ORJ LZ4 3KEY

    $28.77 20% Off

    Keying
    Keyed Alike
    Shackle Length
    3" 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 KAMK LT TEAL COV LZ1 NOKEY LFR

    S31 KAMK LT TEAL COV LZ1 NOKEY LFR

    $26.85 20% Off

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

  • S31 MK LTW417 GRN LZ4 1KEY

    S31 MK LTW417 GRN LZ4 1KEY

    $28.82 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Green
    Cover
    Not Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    1 key per lock
    Language
    English
    More Details

  • S31 MK LTW417 BLU LZ4 NOKEY LFR

    S31 MK LTW417 BLU LZ4 NOKEY LFR

    $28.82 20% Off

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

  • S31 KD PRP COV LZ1 LFR

    S31 KD PRP COV LZ1 LFR

    $19.42 20% Off

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

  • S31 MK LTW417 ORJ LZ1 NOKEY LRU

    S31 MK LTW417 ORJ LZ1 NOKEY LRU

    $23.50 20% Off

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

  • S31 MK RED COV LZ2 NOKEY

    S31 MK RED COV LZ2 NOKEY

    $25.49 20% Off

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

  • S31 MK LTW417 ORJ COV LZ4 NOKEY LFR

    S31 MK LTW417 ORJ COV LZ4 NOKEY LFR

    $31.22 20% Off

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

  • S31 KD LT RED COV LZ1 LRU

    S31 KD LT RED COV LZ1 LRU

    $21.60 20% Off

    Keying
    Keyed Different
    Shackle Length
    3" Stainless Steel
    Color
    Red
    Cover
    Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    2 keys per lock
    Language
    Russian
    More Details

  • S31 MK LTW417 PRP LZ2 NOKEY LRU

    S31 MK LTW417 PRP LZ2 NOKEY LRU

    $25.27 20% Off

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

  • S31 KD LT YLW COV LZ1 1KEY LRU

    S31 KD LT YLW COV LZ1 1KEY LRU

    $21.60 20% Off

    Keying
    Keyed Different
    Shackle Length
    3" Stainless Steel
    Color
    Yellow
    Cover
    Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    Language
    Russian
    More Details

  • S31 MK LTW417 WHT COV LZ3 4KEY

    S31 MK LTW417 WHT COV LZ3 4KEY

    $34.39 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    White
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    4 keys per lock
    Language
    English
    More Details
Showing 101 - 150 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.