■ for Euro profile cylinder with 15mm radius cam

■ latch driven by both lever handle and cylinder

■ 4 steel round bolts provide extra security, driven by cylinder,  double-throw

■ stagger screw holes positioned in forend for better fixing

■ lobulate screw holes in forend, looseness-proof

■ linearized arc at the bottom of cylinder hole to home cylinder better when it is screwed

■ security escutcheons ESC01 (closed) or ESC02 (open) available, for better protection of cylinder

■ constructed with high security, ideal for main entrance door for better protection of property