[Size]: 30 mm. Screw length: 22 mm. Suggest installing the knob on a board with a thickness less than 20 mm. Give your furniture a sparkling new look! [High-Quality Materials]: The drawer handles and knobs are made of stainless steel, smooth, sturdy, and durable, not easy to rust, and the surface is brushed and polished, and the color is not easy to fade. [Easy to Install]: Simply find the installation location in advance, then drill a hole in the board, pass the screw through the board from the back, and tighten the knob from the other side. [Mushroom-Shaped Design]: The cabinet handle is designed in a round mushroom shape, which is consistent with the human body design. The surface is brushed and polished, and it is smooth to use. [Universal Style]: The elegant design of the cabinet door handle is suitable for both retro and modern decor. Decorate or renovate your furniture in a simple style, you can easily match different furniture. [Wide Application]: The wardrobe knobs are very