The Halfords Advanced 23cm D-Lock is 10/10 rated lock. Featuring hardened steel casing to protect against drill attacks, anti-pick locking mechanisms and ultra hardened steel shackle. This bike lock is designed to fight against prying, jacking and cutting attacks. The D-Lock also features a 120 cm cable to help secure your accessories and quick release wheels, making it harder for theft during an attack. Features & Benefits: 23cm high shackle 11cm wide 120cm cable Diamond Sold Secure approved 10/10 security rating 4 keys plus 1 LED light key for night use Rubber coating protects your frame Includes bike frame mount bracket Quadruple Locking Mechanism Replacement Key Service Anti Pick