The volume control knob is convenient and practical, with excellent texture, and can serve you for a long time without being easily . The craftsmanship can serve you well without breaking easily. This volume control knob is a very practical and reliable for your needs. Features -Color:Silver -Material: Metal -Size:1.90X1.90X2.50cm/0.75X0.75X0.98in - Replacement potentiometer cap for electric guitars. The product design is , and the workmanship is fine. - Made with solid metal material, this potentiometer knob cap is sturdy and durable. - Used to replace dirty or old guitar knobs and decorate your guitar. Easy to install and easy to use. - Can be used to control the effects of multiple functions, perfect for electric guitars, electric bass, and etc. - The excellent workmanship of our product will bring you a satisfying using experience and bring you happier mood. Package list: 4 x knobs 4 x wrenches