FJM Security 2400AS-BLK-KD Tubular Cam Lock with 5/8" Cylinder and Black Finish, Keyed Different - 4 Pack This black tubular cam lock (sometimes called the ace cam lock) comes keyed different with two keys per lock - each key set will fit one unique lock The FJM Security tubular cam lock has a 5/8 cylinder length and can fit material thickness of up to 3/8  it is a standard size cam lock with 3/4 diameter Cam lock ships with two keys, a steel cylinder nut, stop cam, 1-1/4 cam and cam nut  the tubular lock is constructed of zinc alloy and is chrome plated Offers incredibly versatile installation options  the cam can be installed on the lock at the 3, 6, 9 and 12 oclock positions and opens with a 90 degree turn Ships with a reversible stop cam and is available non-key retaining  the key can be removed from the lock from the locked and unlocked position