【Premium Quality & Wave Design】: Onateel door lever is made of quality zinc alloy,combined with a smooth black finish to guarantee a long-lasting product life. The beautiful wave design ensures a comfortable holding and safe operation, suitable for both conventional and modern style doors. 【Privacy Function Without Keys】: The black interior door handles can be locked inside with a thumb-turn button and opened outside with a flat screwdriver for emergency release. The privacy door handles are perfect to use at bedroom, bathroom or any other rooms where privacy is needed. 【Easy Installtion】: The package comes with all accessories you need, including LATCH, STRIKE PLATE ,STRIKE BOX and SCREWS. The lockset are reversible, which can be installed on left-hand or right-hand doors. In minutes with just a screwdriver, these matte black door levers can refresh your house totally. 【Leverset Dimension】：Compatible with standard door thickness 1.35 in to 1.75 in (35mm to 45mm); Lever Length: 5.3 in (135mm); Rosette Diameter: 2.55 in (65mm); Adjustable Latch: 2.35 in to 2.75 in (60mm to 70mm). NOTE: The square plate of the latch is unremovable. 【Aftersales Service】: Your satisfaction is our top priority. We value your feedback and strive to provide the best possible experience. If there is any problem, please feel free to contact us. We tailor our solutions to meet your unique needs!