Features: 1.Durable Construction: The door lock is made of aluminum alloy, which is antirust and antioxidation; the zinc alloy baffle is not easy to break and ensures long term use. 2.High Security: The door can be locked from the inside, the perfect solution for privacy and security, and it can also be dismantled. 3.Shockproof: There are two fixed points on the outer decorative ring of the door lock, so there will be no rotation and abnormal noise during driving. 4.Easy Installation: Door lock installation opening size is 18mm in diameter, suitable for door thickness 20?25mm. Applicable to different scenarios. 5.Wide Application: Privacy lever lock is suitable for RVs, caravans, ships, yachts, as well as home rooms, bedrooms, office bathrooms, public restrooms etc. Specification: Item Type: Privacy lever lock Material: Aluminum alloy, zinc alloy Color: Matte black Hole Diameter: Approx. 18mm/0.71in Suitable For Door Thickness: Approx. 20-25mm/0.79-0.98in Applicable: RV, ambulance, ship, yacht, bathroom PackageList: 1 x Privacy Lock 1 x Lock Bolt 1 x Small Wrench 1 x Gasket 5 x Fixing Screw 1 x Manual Note: Professional installation recommended.