Master Lock Trailer Coupler Lock, Model# 39AT

Easy-to-use coupler lock for Hammer Blow-style coupler guards against trailer tow-away theft. The 4-pin tumbler system resists prying and picking, and the solid zinc die-cast lock body withstands attacks by hammers, torches and drills. Granite-look powder-coat finish wont rust or corrode. Limited lifetime warranty. Type of Lock: Trailer coupler, Material: Solid zinc die cast, Keys Included (qty.): 2, Includes (qty.): 1