The passage door levers are made of solid zinc alloy, providing a refined look for interior doors with durability, sophistication, and smooth operation due to their ergonomic design and high-quality construction. FUNCTION: Privacy levers allow for opening and closing an interior door, with a locking feature for added privacy—ideal for bathrooms or bedrooms. Note: this privacy knob is intended for privacy purposes only, not for security. Material: All-metal construction featuring zinc alloy levers, a square mounting plate, heavy-duty springs, and an adjustable brass latch. The electroplated finish provides rust resistance and ensures long-lasting performance. Specifications: Lever length: 123mm; Rosette dimension: 66mm x 66mm; Adjustable latch centers at 60mm or 70mm; suitable for door thicknesses of 35–50mm. The latch plate is square and non-removable. Note: Images are for reference only; the actual product may vary slightly. Please consider this before purchasing. TYPE: B-1 x Entry door lock kit (with key) Material: Zinc alloy Color: Black Package Contents: 1 x Entry door lock kit (with key) Please note: This package includes only the items listed above; other accessories shown are not included. Note: Lighting conditions and monitor settings may cause slight variations in color appearance. Measurement tolerances may vary by +/- 1–3cm.