General description This Door Lever Handle Lock is designed for both interior and exterior doors, providing keyed entry and security. It is suitable for use in bedrooms, cloakrooms, storage rooms, and offices. Technical specifications Material: Aluminum alloy Cylinder material: Brass Round hole diameter: 50-62 mm Adjustable latch sizes: 60 mm or 70 mm Suitable for door thickness: 35 mm - 45 mm Usage Can be bolted on the inside or locked on the outside When bolted on the inside, it can be unlocked using a key from the outside