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Master Lock Red Latch Group Lock Box

Brand: Master Lock Mfg#: 500KABRK
Product#: 112500KA229
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The Master Lock No. 503RED Latch Tight™ Group Lockout Box, red, accepts 14 padlocks or lockout hasps and can be mounted to the wall or carried from job to job. Lock box holds hundreds of keys and includes organized storage for 12 keys in back of box. Also features an exclusive, patented Latch Tight™ locking mechanism that prevents keys from being accessed until the last padlock or hasp is removed from the box.


  • Single locking lever
  • Breakaway shackle provides emergency access to sprinkler shut-off valves and fire hoses
  • Warded locking mechanism minimizes jamming from dirt and grime
  • MADE TO ORDER - Minimum order Quantity of 12; 2 to 3 week lead time direct from supplier
  • Duplicate keys not available
  • 1-3/4 in (44 mm) wide laminated steel body for superior strength
  • 13/16 in (21 mm) tall, 9/32 in (7 mm) diameter steel shackle provides strong cut resistance


  • Brand: Master Lock
  • Body Width: 1.75 in
  • Key Number: 229
  • Color: Silver
  • Type: Warded, Breakaway
  • Shackle Height: .8125 in
  • Body Thickness: .75 in
  • Body Material: Steel
  • Shackle Width: .8125 in
  • Body Length: 1.75 in
  • Key Type: Alike
  • Shackle Diameter: .281 in
  • Shackle Material: Steel
  • Special Features: 500KA Model
  • Usage: For Cabinets, Manufacturing Environments, Shut Off Valves, Fire Equipment Housing and Cabinets