ABUS Knob Half Cylinder 10/K40 with Round for Locking without Key

Practical without key: the door can be easily opened and locked with a rotary knob High quality: durable thanks to high-quality and low-wear material Safety: the cylinder offers hardly any attack surface, as keyless and back flat Areas of use: in armoured latches and all locks where only one side should be locked (secondary doors, garages, toilet doors) Easy installation: assembly instructions are included; cylinder housing measures 10 mm backwards, 40 mm knob side, Weight: 0.6393405598 pounds, Manufacturer: ABUS