Easy intallation: the upper and lower screw holes of the door lock, including all accessories.The easy installation makes for a one-person project. Includes reversible door handles, ideal for installing left-hand or right-hand doors. LOCKING DOOR LEVERS, FOR BATHROOM & BEDROOM,Function:The privacy Lever is ideal for bathrooms, bedrooms, and any room where privacy is needed. Privacy locks can be locked using a push or turn button from inside of a room, and typically feature an emergency release mechanism on the outside. Product Specifications: Suitable for door thickness 35mm to 45mm (1.38in to 1.78in), adjustable latches: 60mm to 70mm (2.4in to 2.8in), Material: stainless steel, zinc alloy; Oil Rubbed Bronze finish; modern wave style levers.Package Includes: Selected Knobs, Mounting Screws, Installation Instructions;please check these parts before install,If there is any quality problem with your purchasing, please contact us. We will refund the item value or send a replacement.