Lever handle on a round rose that operates latch bolt.

Lever handle on a backplate that operates latch bolt.

Lever handle operates latch bolt. Backplate has a hole to accept a mortise key. Use with mortise sashlocks.

Lever handle operates latch bolt. Backplate has a euro cylinder shaped hole. Use with Euro cylinder sashlocks.

Lever handle operates latch bolt. Backplate has a oval cylinder shaped hole. Use with Oval cylinder sashlocks.

Lever handle operates latch bolt. Turn operates deadbolt on inside. Lock status indicator on outside with emergency entrance facility. For use with bathroom door locks.