Stainless steel 304 for most of the mortise lock body parts, including rotor, cam, latch, deadbolt, anti-rust, stronger and more durable than brass or zinc alloy materials.

High quality imported EGI (electric galvanized ) steel for the casing, higher grade fingerprint resistant, thickness 1.5mm.

Forend (thickness 3.0mm) / strike plate (thickness 1.5mm): Solid stainless steel 304 or brass.

Solid brass for the housing, plug, pins and nut.

Double-row-pin keyway technology, 10 pins, pin-combinations are much more than international standard, extremely security.

Construction key function available: Each cylinder with 5 pcs owner keys + 1 pc construction key, all keys are made by solid brass, thickness 2.5mm.

Hardened process for tail-piece, stronger and more durable.