Master Lock 8109D Compact Cable Lock, Silver, 5-Foot X 5/16-inch , Gray Product Description Ideal for bicycles, skateboards and sport equipment. The Master Lock 8109D is the Quantum 8mm shorty. This compact cable lock is easy to carry. It has a 4-foot x 5/16-inch self coiling steel cable lock with flexible steel cable for strong cut resistance. Protective coating helps prevent scratching. Two keys are included. From the Manufacturer Ideal for bicycles, skateboards and sport equipment. The Master Lock 8109D is the Quantum 8mm shorty. This compact cable lock is easy to carry. It has a 4' x 5/16" self coiling steel cable lock with flexible steel cable for strong cut resistance. Protective coating helps prevent scratching. Two keys are included. Features 4-foot (1.2mm) x 5/16-inch (8mm) self coiling steel cable Integrated key locking mechanisms for strong pick resistance Flexible steel cable for strong cut resistance Protective coating helps prevent scratching Two keys included USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.