Multiple padlock applications: for indoor and outdoor use; zinc body Padlock is best used for Self storage units, sheds, trailers, moving trucks, vans and more Ease of use: large ergonomic dials with exclusive blind dial feature permit operation with gloves, in low light or complete darkness Durable design: The hinged dial cover and shackle seal offers superior weather protection, and reinforced body bumper protects against Scratches High security combination: Set-Your-Own 4-digit combination for convenience and security; 10, 000 possible combinations High security shackle: tough-cut octagonal boron-carbide shackle that is 50 percent harder than hardened steel and deadlocking mechanism protects against prying, shimming and Rap attacks Specifications: padlock dimensions (W x H x D) 5.7 x 8.7 x 3,.1 cm; shackle dimensions (a x B x C) 0.9 x 2.8 x 2.4 cm; 1 padlock Limited lifetime guarantee