Lockey M230 Mechanical Keyless Deadlocking Spring LatchThe Lockey M230 Mechanical Keyless Deadlocking Spring Latch is a Lockey mechanical keyless latch with verified product details for door hardware applications supported by the product specifications. M230 Mechanical Keyless Deadlocking Spring Latch Brand: Lockey Function: Mechanical Keyless Latch Product Type: Keyless Entry Collection: M Series Material: Zinc Plated Steel Backset: Adjustable 2 3 8" or 2 3 4" Door Thickness: 1 3 16" to 2" Handing: Left,