Description This volume control knob is made of plastic material, which can withstand long-lasting use.These knob caps feature ease of installation and use, which improves overall product usability,perfect for electric guitars, electric bass, and etc. Features -Color:Red, yellow, white, green, blue-Material:Plastic-Size:1.40X1.40X1.50cm/0.55X0.55X0.59in-Type: 6mm Insert Shaft- Made of plastic material, rotary knob replacements have good grip and excellent touching feeling.- Rotary knob always use as volume control switch, good replacement parts for your loved electric guitars.- Rotary knob has a wide of application. Adequate quantity can easily meet your daily use and replacement needs.- Use these rotary knob to replace your old, worn, or missing knobs, and let it look new as the original.- Electronic control potentiometer knob is suitable for 6 mm diameter shaft, volume control knob, audio knob, guitar knob, etc.Packing list: 50 x volume control knobs