1. Material:Stainless Steel; Satin Nickel Finish; Modern Wave Style Privacy Lever 2. [Privacy]Keyless Privacy Function. It could be locked/unlocked with the thumb-turn from inside and a emergency tool like a coin from outside. It is suitable for bathroom, bedroom or guest room where privacy is needed. 3. [Elegant Design]Wave style door lever made of zinc alloy is sturdy and durable. Smooth touch and ergonomic design provides a more comfortable gripping experience. Brushed nickel finish has been coated with a special coating process to make it more rust-resistant. 4. [Dimensions]Lever Length: 4.7" (120mm); Rosette Diameter: 2.56" (65mm); Adjustable Backset: 2-3/8 inch or 2-3/4 inch (60mm or 70mm); Fits doors thickness: 1-3/8 inch to 1-3/4 inch (35mm to 45mm). 5. [Reversible Levers]Wave levers fits both right and left handed doors; The interior lever can be removed from the rosette assembly and switched to the exterior lever.