Kryptonite Keeper Combo folding lock with holder With this sturdy and compact folding lock from Kryptonite you can safely store your bike. When folded, you can easily place the lock on the holder that can be mounted on one of the tubes of your frame. You attach the holder with bolts (bottle cage) or mounting straps. The lock closes with a combination of numbers, so you don't need keys! Specifications: Color: black Material: hardened steel, plastic Length: 85 cm Thickness of links: 3 mm Weight: 1 kg Closure: combination lock Contents: 1 Folding lock 1 Holder