950 Series locks
950 Series locks are non-handed and are suitable for narrow stile hinged or pivoted doors. The deadbolt is locked by either key or turn.
Also suitable for sliding doors where lock can be mounted to door jamb and deadbolt engages strike mounted to face of door. Bolt available in 22mm or 37mm projection. 

951 Series locks - (Sliding Door)
951 Series locks are non-handed and are suitable for narrow stile sliding doors. The positive action deadbolt is notched to engage and lock into a latching strike when the bolt is in the thrown position. The deadbolt is locked or unlocked by either key or turn.