The barrel of Selby's Removable Sliding Glass Door Lock stops doors from sliding open until the lock is opened and removed from the bar. Removable lock is on 4-1/4" ratchet bar. Rear screw tightens bar onto back of inside door.
90 degree key turn with key removable only in locked position. Includes lock, ratchet bar, 2 keys. Available in polished chrome finish. This locks high quality and features has made it one of our best-sellers!