Feature: 1. The push pull potentiometer is designed for electric guitar and bass. 2. Premium copper material adopted, for a better control of the tone and the volume. 3. Convenient push-pull bidirectional design for clear state indication. 4. Inside spring of high strength and elasticity makes every touch smooth and comfortable. 5. Coarse knurled shaft bolt fits most control knobs cap, easy to install. Specification: Want to substitute the old guitar potentiometers with new ones of better performance and convenient control? Here the push-pull guitar bass potentiometer comes for you. Features: The push pull potentiometer is designed for electric guitar and bass. Premium copper material adopted, for a better control of the tone and the volume. Convenient push-pull bidirectional design for clear state indication. Inside spring of high strength and elasticity makes every touch smooth and comfortable. Coarse knurled shaft fits most control knobs , easy to install. Specifications: Material: Metal Item Size: 4.3 * 1.7 * 1.2cm / 1.7 * 0.7 * 0.5in Item Weight: 11g / 0.4oz (single) Package Size: 15 * 10 * 1.5cm / 5.9 * 3.9 * 0.6in Package Weight: 27g / 1oz Note: The installation instruction is not included. Package List: 1 * Potentiometer 1 * Nut 1 * Washer Package List: 1 * Potentiometer 1 * Nut 1 * Washer