Retractable Door Handle with Key Sliding Door Lock Retractable Door Lock Key Invisible Recessed Door Handle 160mm High-quality materials: handle: zinc alloy, cylinder: brass, key: brass. Made of high-quality zinc alloy, strong and durable. Electroplating surface, not easy to rust, black powder coating, corrosion resistance, oil resistance, good hand feeling. Silent lock body, smooth and silent. Dimensions: 160mm long, 45mm wide. Center distance: 35mm. Please refer to the picture for the specific size. Product dimensions are all measured manually, there may be an error of 1-3mm, please refer to the actual product for details. Practical and universal: The smooth edge does not hurt the hand, the lines are smooth, simple and atmospheric, suitable for different decoration styles. Deep grooves in the handle make it easy to pull heavy doors. A left door and a right door are available. Can be used for pocket doors, sliding barn doors, French doors, closet doors and more. EASY INSTALLATION: The door lock kit includes the screws needed for installation and comes with detailed instructions for easy installation.