1 Volume 2 Tone Speed Control Knob for Strat Style Electric Guitar Parts Replacement. Material: High Quality Plastic, and Stylish. If your knobs are dirty, dingy and old, or just want to dress up your guitar, these work great. High quality plastic material with clear letters and numbers on the knobs. Exquisite workmanship add a chic touch to your instruments for its delicate design. The Guitar Knob can work with electric guitars, and easy to install. Colour:White Material:Plastic Package Contents: 20x T button 20x V button Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.