Securit Locks, made by Abus. Bars, links, case and supporting elements made from temper hardened steel for cut and torsion resistance. Silicone cover on lock body provides soft-touch coating to prevent damage to bicycle finish. Folding style allows for compact transportation. Convenient rattle-free carrying case mounts with velcro straps or to bottle cage mounts. ABUS designed combination cylinder resists pulling and hammering attacks. 2K Dials: two-component molded digits guarantee readability for the life of the lock. Individually settable combination.