The Oxford Hardcore X C13 Chain Lock is the UK's biggest selling approved chain and padlock combo.13mm square link hardened Cro-Mo chainProtective sleeve to stop damage to paintworkRubberised shock proof case11mm hardened and concealed shackleDouble locking mechanism giving 4.3 Tons anti-jack strengthHardened steel body with Sliding key dust cover3 keys includedThe Oxford Hardcore X C13 Chain Lock uses a chain which has a 13mm square link which has been hardened using Cro-Mo. This is then covered in a protective sleeve to prevent any damage to your bike / paintwork.The Padlock is a 11mm hardened and concealed shackle, using a hardened steel body with Sliding key dust cover all housed in a rubberised shock proof case. This lock uses a double locking mechanism giving 4.3 Tons anti-jack strength. This Padlock us Sold Secure motorcycle gold approved, meets the high demands of the Police Preferred Specification and has been accredited Secured by Design (SBD). The chain lock is 5-minute atta