Specifications14mm hardened 'MAX-Performance' steel shackle resists cutting and leverage attacksDouble dead bolt locking mechanism for extensive holding powerReinforced anti-drill/pull cylinder protection systemEnhanced engineering resists twist attacksCenter key location and overhead cam locking mechanism resists leverage attacksImproved sliding dust cover protects cylinderProtective vinyl coatingIncludes FlexFrame U-BracketSizes: 10.2cm x 20.3cm, 10.2cm x 29.2cm, 8.3cm x 15.2cm