Master Lock 3SST Stainless Steel Outdoor Padlock with Key, 2 Pack Keyed-Alike The Master Lock 3SST Stainless Steel Padlocks with Key feature a 1-9/16 in. (40 mm) laminated stainless steel body design, with a tough weather coated finish for maximum strength and reliability. The 9/32 in. (7 mm) diameter shackle is 3/4 in. (19 mm) long and made of stainless steel, offering extra resistance to cutting, sawing, and weather. The 4-pin cylinder prevents picking and the dual locking ball bearings provide resistance against prying and hammering. The Lifetime Guarantee provides peace of mind from a brand you know and can trust. Features Padlock with key is best used for marine recreation, saltwater applications, offshore security environments and severe uses Key lock features a stainless-steel lock body with coated finish and stainless steel shackle for maximum strength and corrosion resistance Brass 4-pin tumbler and dual ball bearing locking mechanism provide maximum weather, pick and pry resistance 1-9/16 in. (40 mm) wide lock body; 9/32 in. (7 mm) diameter shackle with 3/4 in. (19 mm) length, 5/8 in. (16 mm) width Includes two padlocks with two keys; Both keys open each lock USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.