A Bike Lock W/2 Key, 24" with two keys is typically a cable lock designed to secure bicycles and other items. These locks often feature a steel cable approximately 24 inches (61 cm) in length, providing flexibility for locking your bike to various structures. The included keys allow for easy locking and unlocking. For instance, the Uhuya Cycling Cable Lock measures approximately 25 inches in length and 0.31 inches in diameter, featuring a self-coiling steel wire and comes with two keys.