Lock your bike&';s quick-release components with Kryptonite&';s 4-foot long Keeper 512 Combination Cable. It&';s a 5mm braided steel cable that offers increased cut resistance and features a pre-set combination closure. The vinyl coating protects bikes and equipment from scratches, too. Recommended for quick release component and accessory lock-up 5mm, SELF-COILING FLEXIBLE STEELCABLE Preset 4-digit combination Protective vinyl cover Combo Safe Program Product dimensions: 3/16" (5mm) cable diameter 4&'; (120cm) cable length Product weight: 0.25 lbs (0.11 kgs)