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. 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 x 1.7 x 1.2cm or 1.7 x 0.7 x 0.5in Item Weight: 11g or 0.4oz (single) Package Size: 15 x 10 x 1.5cm or 5.9 x 3.9 x 0.6in Package Weight: 27g or 1oz Note: The installation instruction is not included. Package List: 1 x Potentiometer 1 x Nut 1 x Washer 1 x Potentiometer 1 x Nut 1 x Washer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.