Round, mushroom-shaped door knobs, classic, delicate, affordable and practical design: Robust. and sturdy hollow zinc alloy base, vintage-style painted iron coating, rust-proof Furniture decoration and renovation: suitable for different styles, retro or modern, home and office, kitchen cabinets, cupboards, chest of drawers, bedside tables, shoe cabinet, dressing tables, cupboards, etc. Easy to install: It is quite easy to install them with a small tool .The look is very nice and easy to install. Characteristics: Solid, Classic, Widely Applicable Size and Color, Delicate, Rustproof, Affordable and Convenient Suitable for: Kitchen cabinets, dressers, bedside tables, shoe cabinets, dressing tables, bookcase, desk drawers and other home and office furniture. Easy to install: Each button in this set is equipped with a screw, drill a hole where you want to install it, then pass the screw on the back of the card and tighten it with the button. Suggest installation on boards 22 mm thick or less. Button diameter: 1.2 inch / 30mm Button height: 0.9 inch / 21mm Screw: x 25 (1 inch / 25mm) colour:Bronze Material:Iron, zinc alloy size:30mm diameter, 21mm height, 17mm bottom diameter Package Contents: 25 * furniture knobs 25 * screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.