1. The aerospace aluminum alloy is processed by CNC, which is sturdy and; 2. High-end sandblasting and anodized oxidation, comfortable to press, and the color is and does not fade; 3. The clamp tube diameter of the product is 15mm~35mm, which is suitable for most handlebars; 4. The top is a 1/4 screw hole, you can install 1/4 accessories; Specification: Functional use: can be used to install on a bicycle Color: black Material: aluminum alloy Size: 48x43x15MM Package Contents: 6 * Hose Clamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.