Build your own tubular lock. These tubular cam locks are provided in three common lengths supplied with 2 keys and mounting nut. The locking cam (flat or offset) is sold separate - see options below. Standard Key pull in 12:00, and 3:00 postions, with included 90 degree rotation limiter. Changing the position of the rotation limiter will allow rotation 90 degree counter-clockwise with key removable at 12:00 only. Cam sizes and options are shown below.