Description:【Solid and Durable】: This single sided invisible door lock is made from thickened alloy material, which is durable and durable. It's hard to break or age, making certain long lasting use.【Function】: Passage door knob has no locking function and turning on both sides, you may open and lock the door easily. 【Quiet and Comfortable】: The solid manage design presents a snug grip and operates quietly. tremendous for holding a peaceful environment in your home.【Smooth Round Edges】: The around design of the lock guarantees tender operation without hurting your hands. Its edges also are rounded and smooth, offering a snug grip with none burrs.【Versatile Use】: This passage door knob could be put in on different varieties of doors adding bedrooms, bookcases, cupboards, etc., making it a flexible addition to your home.Specification:Material: AlloySize Chart:5cmx5.2cmx6cm/1.97inchx2.05inchx2.36inch7.6cmx7.5cmx3.7cm/2.99inchx2.95inchx1.46inPackage Includes:1 Passage Door KnobNote:Please allow slightly errors because of manual measurement and different monitors.