Kryptonite Keeper series chain locks offer moderate security appropriate for quick stops in metropolitan areas or a few hours out in less populated areas. Fabric covered chains protect your bicycles paint from scratches and abrasions. End Link Locking Point for extensive holding power Do not use while transporting a bike on a rack 7mm four-sided 3T Manganese Steel Chain Links 4 Digit Resettable Combination Patent Pending Lock Design Combo Safe Program Product dimensions: Length 120cm (47.2") Product weight: 4.50 lbs