Features: Suitable for 35mm – 45mm thick door. Backset: fixed 60mm or 70mm. Conforms to EN 12209 Pin: 5 Number of Keys: 3 Specifications: Material for strike plate and face plate: steel. Material for knob and rose: US32D-stainless steel; US3,US5,US11-brass. Rose diameter: 65mm Strike type: T shape Material for cylinder plug: Zinc alloy Material for cylinder housing: zinc alloy