Master Lock 387 High Security King Pin Lock

  • 387NKZW600ANOKEY

    $83.88 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    0
  • 387NMKW273KEY

    $87.96 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different+Master Keyed
    Cylinder
    5-pin W27 Cylinder
    Number of Keys
    3
  • 387NMKW814KEY

    $89.09 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different+Master Keyed
    Cylinder
    5-Pin W81 Cylinder
    Number of Keys
    4
  • 387NNRW153KEY

    $85.01 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Keyed Different
    Cylinder
    5-Pin W15 Cylinder
    Number of Keys
    3
  • 387NNRKZW1

    $83.88 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Zero-Bitted
    Cylinder
    4-Pin W1 Cylinder
    Number of Keys
    2
  • 387NMKWONOKEY

    $84.63 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different+Master Keyed
    Cylinder
    King Pin Lock Without Cylinder
    Number of Keys
    0
  • 387W600ANOKEY

    $83.25 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Different
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    0
  • 387MKW2K

    $86.20 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Different+Master Keyed
    Cylinder
    4-pin W2 cylinder
    Number of Keys
    2
  • 387MKWP43KEY

    $92.90 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Different+Master Keyed
    Cylinder
    Edge® Key Control 4-pin cylinder
    Number of Keys
    3
  • 387NRWL3KEY

    $77.78 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Keyed Different
    Cylinder
    King Pin Only
    Number of Keys
    3
  • 387NRKZW7000

    $83.25 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Zero-Bitted
    Cylinder
    6-Pin W7000 Cylinder
    Number of Keys
    2
  • 387NKZW70003KEY

    $85.01 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    6-Pin W7000 Cylinder
    Number of Keys
    3
  • 387NKAMKW600ANOKEY

    $87.48 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    0
  • 387UNW15NOKEY

    $81.05 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Uncombined
    Cylinder
    5-Pin W15 Cylinder
    Number of Keys
    0
  • 387KZW153KEY

    $84.38 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    5-Pin W15 Cylinder
    Number of Keys
    3
  • 387KAMKW600A1KEY

    $86.86 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    1
  • 387NRW600A3KEY

    $84.38 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Keyed Different
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    3
  • 387NUNWP61KEY

    $87.24 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Uncombined
    Cylinder
    Edge® Key Control 6-pin cylinder
    Number of Keys
    1
  • 387NNRKAMKW700A3KEY

    $88.62 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    6-pin American Lock® W700A cylinder
    Number of Keys
    3
  • 387WP6NOKEY

    $88.81 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Different
    Cylinder
    Edge® Key Control 6-pin cylinder
    Number of Keys
    0
  • 387KZWP43KEY

    $89.94 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    Edge® Key Control 4-pin cylinder
    Number of Keys
    3
  • 387KAMKW700A

    $86.86 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    6-pin American Lock® W700A cylinder
    Number of Keys
    2
  • 387NWP61KEY

    $89.44 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different
    Cylinder
    Edge® Key Control 6-pin cylinder
    Number of Keys
    1
  • 387NKZW2K3KEY

    $85.01 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    4-pin W2 cylinder
    Number of Keys
    3
  • 387NKAMKWP41KEY

    $93.04 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    Edge® Key Control 4-pin cylinder
    Number of Keys
    1
  • 387NKAMKWP63KEY

    $94.18 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    Edge® Key Control 6-pin cylinder
    Number of Keys
    3
  • 387NNRKZW70003KEY

    $85.01 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Zero-Bitted
    Cylinder
    6-Pin W7000 Cylinder
    Number of Keys
    3
  • 387NNRKAMKWL

    $80.88 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    King Pin Only
    Number of Keys
    2
  • 387NNRKAMKW151KEY

    $87.48 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    5-Pin W15 Cylinder
    Number of Keys
    1
  • 387KAMKWL4KEY

    $82.52 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    King Pin Only
    Number of Keys
    4
  • 387NRW70003KEY

    $84.38 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Keyed Different
    Cylinder
    6-Pin W7000 Cylinder
    Number of Keys
    3
  • 387NMKW13KEY

    $87.96 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different+Master Keyed
    Cylinder
    4-Pin W1 Cylinder
    Number of Keys
    3
  • 387NKAMKW14KEY

    $89.75 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    4-Pin W1 Cylinder
    Number of Keys
    4
  • 387NNRUNWL

    $75.08 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Uncombined
    Cylinder
    King Pin Only
    Number of Keys
    2
  • 387NNRUNW273KEY

    $82.81 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Uncombined
    Cylinder
    5-pin W27 Cylinder
    Number of Keys
    3
  • 387NNRUNW600A3KEY

    $82.81 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Uncombined
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    3
  • 387UNW17NOKEY

    $81.05 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Uncombined
    Cylinder
    5-Pin W17 Cylinder
    Number of Keys
    0
  • 387UNWP43KEY

    $87.74 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Uncombined
    Cylinder
    Edge® Key Control 4-pin cylinder
    Number of Keys
    3
  • 387KZW600A4KEY

    $85.51 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    5-pin American Lock® W600A cylinder
    Number of Keys
    4
  • 387NRKZW17NOKEY

    $83.25 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Zero-Bitted
    Cylinder
    5-Pin W17 Cylinder
    Number of Keys
    0
  • 387NRKAMKW700A4KEY

    $89.12 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    6-pin American Lock® W700A cylinder
    Number of Keys
    4
  • 387NW171KEY

    $83.88 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different
    Cylinder
    5-Pin W17 Cylinder
    Number of Keys
    1
  • 387NUNW81

    $81.68 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Uncombined
    Cylinder
    5-Pin W81 Cylinder
    Number of Keys
    2
  • 387NKZW811KEY

    $83.88 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Zero-Bitted
    Cylinder
    5-Pin W81 Cylinder
    Number of Keys
    1
  • 387NKAMKW15

    $87.48 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    5-Pin W15 Cylinder
    Number of Keys
    2
  • 387NRMKWO1KEY

    $84.00 45% Off

    Bump Stop
    None
    Function
    Non-Removable Key
    Keying
    Keyed Different+Master Keyed
    Cylinder
    King Pin Lock Without Cylinder
    Number of Keys
    1
  • 387N3KEY

    $85.01 45% Off

    Bump Stop
    Yes
    Function
    Non-Key Retaining
    Keying
    Keyed Different
    Cylinder
    Standard
    Number of Keys
    3
  • 387NNRWONOKEY

    $81.68 45% Off

    Bump Stop
    Yes
    Function
    Non-Removable Key
    Keying
    Keyed Different
    Cylinder
    King Pin Lock Without Cylinder
    Number of Keys
    0
  • 387KAMKW14KEY

    $89.12 45% Off

    Bump Stop
    None
    Function
    Non-Key Retaining
    Keying
    Keyed Alike+Master Keyed
    Cylinder
    4-Pin W1 Cylinder
    Number of Keys
    4
Showing 1 - 50 of 2611 items
  • Secures the king pin of semi-trailers, RVs and other fifth wheel trailers
    • Renders bolt cutters useless
  • High grade aluminum is lightweight while providing high security
  • High visibility red body and durable flag alert drivers that lock is attached
  • Includes an integrated No. 5 lock with all of its security and keying flexibility