guitar knob guitar accessory 12pcs Guitar Volume Control Knobs Replacement for Electric GuitarsBlack Specification: Features: 1. This knob shell is made of materials, very durable, not easy to break. 2. ensures comfortable touch feeling wile using it, won't hurt your fingers. 3. With scales on it, for you to adjust your guitar to wanted state. 4. Standard shaft hole, suitable for various electric guitars. 5. 12pcs for sale, with lightweight, very portable to carry, nice replacement for your guitar. Specifications: Material: Plastic Color Options: Black, White, Yellow Size Dia x Height: Approx. 19x 15mm / 0.75 x0.59in Shaft Hole Diameter: Approx. 6mm / 0.24in Weight: 21g/0.74oz Packing List: 12 x Volume Knobs