63mm. Solid brass rectangular padlock with hardened steel horizontal shackle, 5-pin cylinder and side access keyway. Ideal for shutters. 2 keys supplied. Horizontal shackle resists pulling. Specifications: Body W x H x Th: 63 x 44 x 16mm. Max. shackle W x H: 18 x 13mm. Shackle dia: 10mm. Weight: 0.32kg.