Henry Squire NO35 Laminated Double Locking Padlock 4 Pin Stronglock 40mm The NO35 double locking padlock from Henry Squire has a security rating of 4 which makes it ideal for sheds, lock ups, gates, garages and storage areas. The body is made from hardened steel with an anti corrosive shackle. Features: Medium to high security durable padlock Hardened steel shackle with a covered steel padlock body with anti corrosion finish 4-pin tumbler lock mechanism gives over 1,000 key variations Supplied with 2 keys  Specification: Size across case: 38 mm Shackle clearance Vertical: 17 mm (hardened mild steel) Security Rating: 4 Product Group: Stronglock