1. The Passage door levers are made of solid zinc alloy. They can add a special refinement to interior doors, bringing a sense of solidity, sophistication and pleasantness through their design and material quality. 2. FUNCTION: Privacy levers enable the opening and closing of an interior door, and can be locked when extra privacy is required, which is suitable for bathrooms or bedrooms. Note: The privacy knob is intended for privacy purposes, not for security. 3. Material: All metal construction, including zinc alloy door levers, square mounting plates, heavy-duty springs, and adjustable brass latches. The electroplated finish helps the cabinet door knobs resist rust, contributing to durability over time. 4. Specifications: Lever Length: 123mm; Rosette dimension: 66mmx66mm; Adjustable Latch center margin 60mm/70mm, suitable for door thickness 35 - 50MM. The latch plate is square and not removable. 5. Note: The renderings are for reference only, and the actual product shall prevail. If you have concerns, please avoid placing an order. 6. TYPE: B - 1 x Entry door lock kit (with key) 7. Material: zinc alloy 8. colour: black 9. Package Contents: 1 x Entry door lock kit (with key). Only the above package content is included; other products are not. 10. Note: Light reflection and different displays may cause slight color differences between the item in the picture and the real thing. The measurement allowed error is +/- 1 - 3cm.