General description This is a Euro profile cylinder lock suitable for wooden, aluminum, and most PVCu doors. It features a thumbturn mechanism for easy locking from the inside and provides high security against unauthorized access. Technical specifications Size: Z45 x K30 Type: Euro profile thumbturn cylinder Security features: Precision mushroom pin, paracentric keyway, hardened steel anti-drill pins with 8 anti-drill pins in each keyway Compatibility and accessories Compatible with standard Euro profile lock fittings Works with keys and thumbturns designed for Euro profile cylinders Installation Measure the distance from the internal end of the cylinder (excluding thumbturn) to the center of the cam (measurement A) Measure the distance from the external end of the cylinder to the center of the cam (measurement B) Ensure measurements match your door's specifications before installation Usage Insert the key to lock or unlock from the outside Use the thumbturn to lock or unlock from