MASTER LOCK 37D ARMORLOCK TRAILER COUPLER COUPLER LOCK

Product Code: 207006

Shrouded laminated steel body for superior strength. Armored hardened steel shackle defies cutting. Shackle guard protects against bolt cutters and hacksaws. Shackle fits openings 1/2" in diameter or larger; shackle guard removable to accommodate openings 9/32" in diameter. Dual locking levers provide extra pry resistance. 4-pin cylinder helps prevent picking.