Sturdy material: The door cylinder lock latch is made of 304 stainless steel, polished finish, durable and corrosion resistant, not easy to rust, can maintain good performance even in bad weather. The spring-loaded barrel lock is designed to provide easy added security for years to come. Special design: sealed weld, thick reinforced base for durability and wear; Exquisite rubber handle design ensures easy pulling and turning; Powerful spring, can rebound automatically when let go. Flexible Door Cylinder Bolt Lock with a smooth latching action lets you easily open and close the latch. Easy Installation: Spring loaded cylinder bolt not only secures doors, but also helps to align twisted doors, to hold doors open or closed, drill a retaining hole to adjust the slide pin diameter to the correct position. Saving your time and effort, requires 4 pre-drilled holes. Safe and Convenient: Spring loaded latch to lock, close and secure the door, you can open and close the latch easily and stay closed when needed . Provide you with extra security. Wide Applications: Heavy duty cylindrical bolt locks provide a simple solution to keep your home secure. Perfect for keeping doors closed, locking valuables in the shed, adding garage door security and keeping livestock safe. Applicable to door and window security, dressing room, bathroom, cabinet, drawer, furniture, etc. Specifications: Color : silver tone Material: iron. Size: 12.8 x 4.7cm Package including: 2 x spring loaded locking pin Note: Manual measurement, 1-3cm error, depending on the actual situation, please understand.