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Master Lock 6421 ProSeries Weather Tough Interchangeable Core Padlock 2-1/8" (54mm)

  • 6421 LJ WCS6 LZ4 1KEY

    6421 LJ WCS6 LZ4 1KEY

    $28.38 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Lock Body Only
    Number of Pins
    6 Pins
    Cylinder Type Finish
    Not Included
    Keying
    Not Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    1 key per lock
    More Details

  • 6421 LF CN CY KAMK LZ1 4KEY

    6421 LF CN CY KAMK LZ1 4KEY

    $45.32 37% Off

    Shackle Length
    1-1/2" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Cylinder Type
    Standard SFIC
    Number of Pins
    Not Included
    Cylinder Type Finish
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    4 keys per lock
    More Details

  • 6421 CN NR WCS64 KD LZ2 1KEY

    6421 CN NR WCS64 KD LZ2 1KEY

    $26.72 37% Off

    Shackle Length
    1-1/8" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Cylinder Type
    Lock Body Only
    Number of Pins
    6 Pins
    Cylinder Type Finish
    Satin Brass
    Keying
    Keyed Different
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    1 key per lock
    More Details

  • 6421 LJ WCS64 KD LZ1

    6421 LJ WCS64 KD LZ1

    $24.18 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Lock Body Only
    Number of Pins
    6 Pins
    Cylinder Type Finish
    Satin Brass
    Keying
    Keyed Different
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    Not Included
    More Details

  • 6421 CY64 MK LZ4 3KEY

    6421 CY64 MK LZ4 3KEY

    $43.01 37% Off

    Shackle Length
    1-1/8" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Standard SFIC
    Number of Pins
    6 Pins
    Cylinder Type Finish
    Satin Brass
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    3 keys per lock
    More Details

  • 6421 CN NR WCS7 MK NOKEY

    6421 CN NR WCS7 MK NOKEY

    $27.02 37% Off

    Shackle Length
    1-1/8" Boron
    Chain
    Sash Chain
    Function
    Non-Removable Key
    Cylinder Type
    Lock Body Only
    Number of Pins
    7 Pins
    Cylinder Type Finish
    Not Included
    Custom Marking
    Not Included
    Number of Key
    0 keys per lock
    More Details

  • 6421 LJ WCS7 26D LZ2

    6421 LJ WCS7 26D LZ2

    $26.69 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Lock Body Only
    Number of Pins
    7 Pins
    Cylinder Type Finish
    Satin Chrome
    Keying
    Not Included
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    Not Included
    More Details

  • 6421 LJ WCS74 MK LZ1 1KEY

    6421 LJ WCS74 MK LZ1 1KEY

    $27.28 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Lock Body Only
    Number of Pins
    7 Pins
    Cylinder Type Finish
    Satin Brass
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    More Details

  • 6421 CN CY NOKEY

    6421 CN CY NOKEY

    $36.92 37% Off

    Shackle Length
    1-1/8" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Cylinder Type
    Standard SFIC
    Number of Pins
    Not Included
    Cylinder Type Finish
    Not Included
    Keying
    Not Included
    Custom Marking
    Not Included
    Number of Key
    0 keys per lock
    More Details

  • 6421 LJ NR CY 26D LZ1 1KEY

    6421 LJ NR CY 26D LZ1 1KEY

    $37.18 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Cylinder Type
    Standard SFIC
    Number of Pins
    Not Included
    Cylinder Type Finish
    Satin Chrome
    Keying
    Not Included
    Custom Marking
    Laser engraved in 1 area
    Number of Key
    1 key per lock
    More Details

  • 6421 CY7 26D KA LZ2 1KEY

    6421 CY7 26D KA LZ2 1KEY

    $38.91 37% Off

    Shackle Length
    1-1/8" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Standard SFIC
    Number of Pins
    7 Pins
    Cylinder Type Finish
    Satin Chrome
    Keying
    Keyed Alike
    Custom Marking
    Laser engraved in 2 areas
    Number of Key
    1 key per lock
    More Details

  • 6421 LJ NR CY 26D MK LZ3 4KEY

    6421 LJ NR CY 26D MK LZ3 4KEY

    $44.57 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Cylinder Type
    Standard SFIC
    Number of Pins
    Not Included
    Cylinder Type Finish
    Satin Chrome
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    4 keys per lock
    More Details

  • 6421 LF CY MK LZ4 NOKEY

    6421 LF CY MK LZ4 NOKEY

    $43.24 37% Off

    Shackle Length
    1-1/2" Boron
    Chain
    Not Included
    Function
    Non-Key Retaining
    Cylinder Type
    Standard SFIC
    Number of Pins
    Not Included
    Cylinder Type Finish
    Not Included
    Custom Marking
    Laser engraved in 4 areas
    Number of Key
    0 keys per lock
    More Details

  • 6421 LJ NR CY6 26D LZ3 3KEY

    6421 LJ NR CY6 26D LZ3 3KEY

    $41.28 37% Off

    Shackle Length
    2-1/2" Boron
    Chain
    Not Included
    Function
    Non-Removable Key
    Cylinder Type
    Standard SFIC
    Number of Pins
    6 Pins
    Cylinder Type Finish
    Satin Chrome
    Keying
    Not Included
    Custom Marking
    Laser engraved in 3 areas
    Number of Key
    3 keys per lock
    More Details

  • 6421 LF CN CY KA 4KEY

    6421 LF CN CY KA 4KEY

    $41.93 37% Off

    Shackle Length
    1-1/2" Boron
    Chain
    Sash Chain
    Function
    Non-Key Retaining
    Cylinder Type
    Standard SFIC
    Number of Pins
    Not Included
    Cylinder Type Finish
    Not Included
    Keying
    Keyed Alike
    Custom Marking
    Not Included
    Number of Key
    4 keys per lock
    More Details
Showing 27001 - 27015 of 27015 items

Product Features

  • 2-1/8" (54mm) wide body
  • Boron Shackle
  • Shackle Dimensions:
    • Shackle Width: 5/16" (8mm)
    • Vertical Clearance: 1-1/8" (24mm)
    • Horizontal Clearance: 7/8" (22mm)
  • All orders must be in increments of 6