The 4591 Deadlatch Paddle is an ergonomically-friendly alternative to a knob or lever handle. Operate with a simple push or pull. An alternative to knob or lever handles. Makes opening a latched door as natural as opening an unlatched one, just push or pull in the direction in which the door swings. Compatible with any Adams Rite 4300, 4500 or 4900 Series Deadlatch, MS+1890 Deadlock/Deadlatch, or 2190/2290 Interconnected Deadbolt/ Deadlatch.