door lock,mortise lock,steel laminated padlock 110dB siren Auto-alarming system & locking system Can be ... used alarmed or no door lock,mortise lock,steel laminated padlock Used on:Trucks,Trailers,Boats,Sheds,Side gates,Containers ... processed hardened Stainless steel & Anti twist shackle.Hardened Zinc alloy body .Alarm under water, waterproofDimensions:.Height: 9.5Cm .Width: 9.5Cm ...