Features 1、1. Suitable for mounting on the potentiometer with 6mm handle. 2、2. Frosted surface gives you comfortable hand feeling. 3、3. Solid aluminum structure, wear resistant, sturdy and durable. 4、4. Non‑slip texture design makes it easy to adjust the volume. 5、5. Easy to install, good replacement for the old or broken one. Specification Features: 1. Suitable for mounting on the potentiometer with 6mm handle. 2. Frosted surface gives you comfortable hand feeling. 3. Solid aluminum structure, wear resistant, sturdy and durable. 4. Non-slip texture design makes it easy to adjust the volume. 5. Easy to install, good replacement for the old or broken one. Specification: Material: Aluminum Color: Black Diameter: 32mm/1.26in Height: 13mm/0.51in Hole Depth: 8mm/0.31in Package list: 1 * Knob 1 * Wrench 1 * Screw Package List 1 * Knob 1 * Wrench 1 * Screw