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Master Lock S31 Lightweight Thermoplastic Padlock, Zenex Key Retaining

  • S31 MK LTW417 TEAL LZ4 LFR

    S31 MK LTW417 TEAL LZ4 LFR

    $28.82 20% Off

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

  • S31 MK YLW LZ2 1KEY LRU

    S31 MK YLW LZ2 1KEY LRU

    $23.09 20% Off

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

  • S31 MK LTW417 TEAL COV LZ4 LRU

    S31 MK LTW417 TEAL COV LZ4 LRU

    $31.22 20% Off

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

  • S31 MK LTW417 PRP LZ1 4KEY LRU

    S31 MK LTW417 PRP LZ1 4KEY LRU

    $28.44 20% Off

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

  • S31 KAMK LTW417 ORJ LZ1

    S31 KAMK LTW417 ORJ LZ1

    $24.45 20% Off

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

  • S31 MK GRN COV LZ1 1KEY

    S31 MK GRN COV LZ1 1KEY

    $23.72 20% Off

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

  • S31 MK LTW417 WHT COV LZ2 1KEY

    S31 MK LTW417 WHT COV LZ2 1KEY

    $27.67 20% Off

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

  • S31 MK BLU LZ4 LRU

    S31 MK BLU LZ4 LRU

    $26.64 20% Off

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

  • S31 MK BLK LZ2 3KEY

    S31 MK BLK LZ2 3KEY

    $26.39 20% Off

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

  • S31 KD LT GRN COV LZ2 1KEY LRU

    S31 KD LT GRN COV LZ2 1KEY LRU

    $23.37 20% Off

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

  • S31 MK ORJ LZ4 4KEY LFR

    S31 MK ORJ LZ4 4KEY LFR

    $31.58 20% Off

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

  • S31 MK TEAL COV LZ3 4KEY

    S31 MK TEAL COV LZ3 4KEY

    $32.21 20% Off

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

  • S31 KAMK BLK COV LZ2 1KEY LRU

    S31 KAMK BLK COV LZ2 1KEY LRU

    $26.44 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
    Russian
    More Details

  • S31 KAMK BLK COV LZ3 4KEY LFR

    S31 KAMK BLK COV LZ3 4KEY LFR

    $33.16 20% Off

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

  • S31 KAMK ORJ LZ1 4KEY

    S31 KAMK ORJ LZ1 4KEY

    $27.21 20% Off

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

  • S31 KD LT ORJ COV LZ2 3KEY LFR

    S31 KD LT ORJ COV LZ2 3KEY LFR

    $26.67 20% Off

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

  • S31 KAMK TEAL COV LZ1 4KEY

    S31 KAMK TEAL COV LZ1 4KEY

    $29.61 20% Off

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

  • S31 KAMK TEAL COV LZ4 3KEY

    S31 KAMK TEAL COV LZ4 3KEY

    $33.29 20% Off

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

  • S31 KA YLW LZ4 NOKEY LRU

    S31 KA YLW LZ4 NOKEY LRU

    $23.29 20% Off

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

  • S31 KA GRN LZ2 3KEY LFR

    S31 KA GRN LZ2 3KEY LFR

    $23.04 20% Off

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

  • S31 MKW417 TEAL LZ1 1KEY

    S31 MKW417 TEAL LZ1 1KEY

    $21.32 20% Off

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

  • S31 KA BLU LZ3 NOKEY LFR

    S31 KA BLU LZ3 NOKEY LFR

    $21.52 20% Off

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

  • S31 MKW417 PRP LZ4 3KEY LRU

    S31 MKW417 PRP LZ4 3KEY LRU

    $29.94 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
    Russian
    More Details

  • S31 KA BLK COV LZ3

    S31 KA BLK COV LZ3

    $23.92 20% Off

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

  • S31 MKW417 WHT COV LZ2 4KEY

    S31 MKW417 WHT COV LZ2 4KEY

    $30.43 20% Off

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

  • S31 KAMKW417 TEAL LZ4 LFR

    S31 KAMKW417 TEAL LZ4 LFR

    $27.59 20% Off

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

  • S31 MK LT YLW COV LZ1 3KEY LFR

    S31 MK LT YLW COV LZ1 3KEY LFR

    $29.20 20% Off

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

  • S31 MK LT YLW COV LZ4 1KEY

    S31 MK LT YLW COV LZ4 1KEY

    $31.22 20% Off

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

  • S31 KA PRP COV LZ4 NOKEY LRU

    S31 KA PRP COV LZ4 NOKEY LRU

    $25.69 20% Off

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

  • S31 KD GRN 3KEY

    S31 KD GRN 3KEY

    $18.54 20% Off

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

  • S31 KD TEAL NOKEY LRU

    S31 KD TEAL NOKEY LRU

    $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
    Russian
    More Details

  • S31 KD LT YLW COV 3KEY LFR

    S31 KD LT YLW COV 3KEY LFR

    $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
    Euro French
    More Details

  • S31 KA WHT LZ3 4KEY LFR

    S31 KA WHT LZ3 4KEY LFR

    $26.46 20% Off

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

  • S31 KD LT ORJ COV NOKEY LFR

    S31 KD LT ORJ COV NOKEY LFR

    $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
    Euro French
    More Details

  • S31 KAMK LT RED LZ1 4KEY LRU

    S31 KAMK LT RED LZ1 4KEY LRU

    $29.39 20% Off

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

  • S31 KA YLW 1KEY LFR

    S31 KA YLW 1KEY LFR

    $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
    Euro French
    More Details

  • S31 KAMK LT RED LZ3 NOKEY LRU

    S31 KAMK LT RED LZ3 NOKEY LRU

    $28.00 20% Off

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

  • S31 MK LT BLU COV LZ3 3KEY

    S31 MK LT BLU COV LZ3 3KEY

    $32.75 20% Off

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

  • S31 MK YLW COV 4KEY LRU

    S31 MK YLW COV 4KEY LRU

    $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
    Russian
    More Details

  • S31 MK LT RED COV 4KEY LFR

    S31 MK LT RED COV 4KEY LFR

    $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
    Euro French
    More Details

  • S31 MK LTW417 RED 3KEY LRU

    S31 MK LTW417 RED 3KEY LRU

    $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
    Russian
    More Details

  • S31 MK LTW417 WHT COV LRU

    S31 MK LTW417 WHT COV LRU

    $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
    Russian
    More Details

  • S31 MK LT ORJ LZ1 4KEY

    S31 MK LT ORJ LZ1 4KEY

    $28.44 20% Off

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

  • S31 KAMK BLK 1KEY LRU

    S31 KAMK BLK 1KEY LRU

    $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
    Russian
    More Details

  • S31 KAMKW417 BLU COV 4KEY

    S31 KAMKW417 BLU COV 4KEY

    $27.83 20% Off

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

  • S31 KAMK LT BLU COV 1KEY

    S31 KAMK LT BLU COV 1KEY

    $25.07 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Blue
    Cover
    Included
    Custom Marking
    Not Included
    Number of Key
    1 key per lock
    Language
    English
    More Details

  • S31 KAMK LT PRP COV LRU

    S31 KAMK LT PRP COV LRU

    $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
    Russian
    More Details

  • S31 KAMK LTW417 GRN COV LRU

    S31 KAMK LTW417 GRN COV LRU

    $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
    Russian
    More Details

  • S31 KAMK LTW417 TEAL COV 4KEY LRU

    S31 KAMK LTW417 TEAL COV 4KEY LRU

    $30.01 20% Off

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

  • S31 MK LT TEAL COV LZ3 1KEY LFR

    S31 MK LT TEAL COV LZ3 1KEY LFR

    $29.45 20% Off

    Shackle Length
    3" Stainless Steel
    Color
    Teal
    Cover
    Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    1 key per lock
    Language
    Euro French
    More Details
Showing 201 - 250 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.