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Master Lock #5 Keyed Alike KA A437 Padlock

Brand: Master Lock Mfg#: 5KAA437
Product#: 1125KAA437
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Master Lock #5 Keyed Alike KA A437 Padlock


  • Dual locking levers provide extra pry resistance
  • 2 in (51 mm) wide laminated steel body for superior strength
  • Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W1 cylinder
  • Non-rekeyable, 4-pin W1 cylinder helps prevent picking
  • 1 in (25 mm) tall, 3/8 in (10 mm) diameter hardened boron alloy shackle for superior cut resistance
  • Commercial grade padlock features superior protection from drilling and prying


  • Brand: Master Lock
  • Number of Bumpers: 2
  • Shackle Width: .9375 in
  • Body Length: 1.5 in
  • Shackle Height: 1 in
  • Type: Non-Rekeyable, Commercial
  • Body Width: 2 in
  • Shackle Configuration: Open
  • Shackle Material: Hardened Boron Alloy
  • Number of Pins: 4
  • Key Type: Alike
  • Pin Type: Cylinder
  • Key Number: A437
  • Color: Silver
  • Body Thickness: 1 in
  • Shackle Diameter: .375 in
  • Body Material: Steel