Description These professional rotary knobs are made of high-grade material which is practical and durable for long-lasting use. Corrosion resistance fine workmanship no burrs. Light weight easy to carry and use. Great for potentiometer knobs as well as volume control knobs for sound equipment. Features -Color: Red -Material: Metal -Size: About 1.90X1.90X1.90cm/0.75X0.75X0.75inch - The knob is made of metal material which is durable in design beautiful in appearance practical and durable. - These knobs are sturdy wear-resistant and have a long service life can use them with confidence. - Replacement parts for electric guitars. The product design is novel and the workmanship is fine. - Can control the effects of multiple functions suitable for electric guitars electric bass etc. - With the fine workmanship and premium material it can be used for a long time.