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. Integrated end-link locking point eliminates the need for a separate lock when using the chain. SPECIFICATIONS & FEATURES END LINK LOCKING POINT for extensive holding power 4-SIDED 3T MANGANESE STEEL CHAIN LINKS 4 DIGIT RESETTABLE COMBINATION PATENT PENDING LOCK HEAD DESIGN Combo Safe Program Product dimensions: Length 90cm Product weight: 3.75 lbs