... Can be used alarmed or no door lock,mortise lock,steel laminated padlock Used on:Trucks,Trailers,Boats, ... mowers, Garden machinery,Garatges,Lockups,,Cars,Lockers ,etc.Lock Features:.110dB siren.Auto-alarming system & locking ... resistant.Anti–muffle design.Hot processed hardened Stainless steel & Anti twist shackle.Hardened Zinc alloy body ... 1.5V) .3pcs keys door lock,mortise lock,steel laminated padlock