The Squire DCL1 Disc Lock is ideal for any environment. Its 9.5mm Hardened Boron steel shackle offers great resistance to cropping and is backed up with a 5-pin tumbler cylinder offering over 1,500 key differs. This product is designed to secure lockups, garages, sheds and factory units in harsh environments. Body Width 70mm. Shackle Diameter 9.5mm hardened steel. Keyed alike available to order. CRIMESTOPPERS supported.