Padlock application: For harsh outdoor conditions; can resist from water, ice, dirt and grime; best used as a shed lock, gate lock, garage lock and more Durable design: Exclusive proseries weather tough cover protects lock from water, ice, dirt and grime High security lock: Six-pin cylinder with spool pins that is virtually impossible to pick; dual ball locking mechanism resists pulling and prying High security shackle: Hardened boron alloy shackle for maximum cut resistance; iron shroud protects shackle from bolt cutters Specifications: Padlock dimension (H x W x D) 6.7 x 8.5 x 3.2cm; shackle dimension (A x B x C) 1.1 x 1.8 x 2.2 cm; two keys included