2. With high performance motor.

3. With anti-friction latch, greatly reduced the force area.

4. Mortise can be made of stainless steel 5-latch according to customer's special require.

5. SS mortise characteristic: To ensure the life of mortise, no part is made of zinc alloy in the mortise. The whole mortise is match of high strength stainless steel, alloy steel and quenching steel.
6. Suitable for doors with thickness >=38mm.