Kryptonite`s strongest chain for ultimate security in high risk areasAttack resistant, 15mm disc lock features a hardened double deadbolt designFeatures a durable nylon chain cover that prevents scratching frames or paintHeavy duty 14.5mm round 3T hardened steel linksIncludes 3 stainless steel keys15mm4`11`/150cmKeyBlack10 of 10UPC/EAN/GTIN: 720018004752