KryptoLok Chain Locks offer moderate security in a convenient package allowing for flexibility locking up for a few hours in suburban areas.9mm four-sided chain links made from 3T manganese steel47.25 (120cm) chain lengthWeather-resistant nylon sleeve prevents scratches to painted finishes and compact coiling provides for easy carryingPin-less link design secures chain to a hardened deadbolt and offers no weak link in the chainIncludes 2 standard, stainless steel "I" keysKey Safe ProgramSecurity Rating: 6 out of 10Item SpecificationsAdvertised Weight6.7Diameter9Length47Lock StyleKeyed Kryptonite Kryptolok Chain Locks Chain Lock UPC: 720018001874