70mm. Stainless steel disc keyed alike padlock. 2 keys supplied. Disc protects shackle offering higher security. Padlocks use the same key, so padlocks on multiple doors can be secured with only one key. Specifications: Body W x H x Th: 70 x 68 x 26mm. Max. shackle W x H: 19 x 19mm. Shackle dia: 10mm. Weight: 0.26kg.