GEEPAS DOUBLE CYLINDER LOCK - With this Geepas Double Cylinder Lock immediately upgrade the security of your property, it can be replaced quickly and make it more secure than earlier. VERSATILE - Suitable for use with a wide range of doors including wooden, composite, and PVCu doors. It comes with a compact and lightweight design. SAFETY - Geepas Double cylinder lock keeps people inside a building safe. This is as important as keeping potential robbers away. This lock requires keys to open from the inside and outside making it more secure. DURABLE - This Geepas Double Cylinder lock is easy to install with its compact design and a 70mm brass cylinder is a highly durable material that is anti-rust and corrosion-proof. 35mm 2 CYLINDER - This Geepas lock comes with 2 35mm cylinder locks with satin nickel finish which are easy to lock from both sides of the door making it more secure than other traditional locks.