Easy to install, these guitar knobs are not easy to age,very durable and anti-wear. The knob is used to connect a rotary potentiometer and is usually used as a volume or tone control. The guitar volume and tone knob comes with scale, which allows you to adjust it easily and quickly. Features -Color:Transparent -Material:Plastic -Size:2.65X2.65X1.25cm/1.04X1.04X0.49in - These knobs are a versatile choice for any musician looking to upgrade their instrument's appearance and functionality. - The product design comes with simple structure, and easy to install, and will not affect the use of your instrument. - The product is strong and resistant to dirt. It feels better and lasts longer. The product uses plastic materials. - Simple installation, small size and easy to store, and made of plastic material, the electric guitar knob is not easy to break. - These guitar knob replacements are useful and practical friends who own guitars and bass. Package list: 3 x guitar knobs