Laminated Steel Padlock Breakaway Shackle Warded Locking Mechanism Plastic Body Bumper Masterlock 500 Series Warded Padlock with special break-away shackle supplied keyed alike to key 197 - includes 2 keys per lock. 1-3/4" (44mm) wide laminated steel body for superior strength, Steel shackle provides strong cut resistance, Warded locking mechanism minimizes jamming from dirt and grime, Rustproofed for extended wear.500BRK KA