Kryptonite Keeper 585 Folding Lock: Black 85cm 3mm3mm hardened steel links for moderate security lock ups Compact and easy to transfport with included bracket 2 keys included, with Key Safe Program Security Rating 5 10 Available Anti Theft Protection $500 TECH SPECS Internal Lock Size Imperial 2. 8 Internal Lock Size Metric 85cm Bracket Frame mount bracket (included) Lock Type Key Primary Color Black Thickness In mm 3mm