CD5690 Series 1-9/16 inch 40mm Pack of 4 laminated zinc plated padlocks all keyed alike with lock body hardened steel shackle. Features 1/3 inch shackle diameter, 15/16 inch inside side clearance, and 1 inch height clearance. Has a precision pin tumbler mechanism and single locking lever. (4) nickel plated keys included. If multiple packs are ordered, each pack is keyed alike separately. These general use padlocks are ideal for residential or light commercial applications such as gates, fences, tool chests and other related storage needs. Featuring a wide laminated steel body and its extra secure double locking levers, the Stanley laminated steel padlocks offer superior strength and barrier resistance against cut or pry attacks. Its laminated steel core helps resist break-in attempts and a reinforced body bumper aids against scratching your property.