Features • Face plate and lever handle: All by solid zinc alloy die-casting. We use top classic zinc alloy • Heavy duty cylinder: size 70 mm. - brass for casing, plug and turn knob - brass pins processed by high precise CNC machine - one-side key and one-side knob - 5 pieces keys • Heavy duty Lock case: backset 60mm, center to center 85 mm - EGI steel sheet for casing, thickness 1.5 mm - brass for latch, improved with silent-closed function free of charge - brass for bolt, single one-piece big bolt, improved with anti-cut function free of charge - brass for cam. Octagonal, fitting spindle in size 8x8mm - stainless steel for forend, 3.0 mm thickness, tolerance 0.2 mm - stainless steel for strike, 1.5 mm thickness, tolerance 0.2 mm Supplied with - 1 Lever lockset with faceplate - 1 Striking plate - 1 mortise lock - 1 profile cylinder with thumb turn - 1 Assembly key - 1 Set of fixing material - Installation manual Note: Please message us first before placing order for stocks availability purposes. Thanks so much