Features: brand new and high quality Durable Material: The control knobs are made of high quality plastic, which is sturdy and durable, ensures a long for time use. Smooth Surface: Delicate workmanship with good texture, providing smooth surface for you to use. Easy to Use: It fits for 6mm diameter pots, easy for you to use & install. Use for guitar volume/tone control. Nice Accessory: Especially designed for electric guitar, suitable for guitar lovers. It is used to replace the dirty and old knob. Package Includes: 4Pcs control knobs. Easy and convenient to install, great replacement for dressing up your guitar parts replacement. Specifications: Material: ABS Color: Golden/Silver/Transparent/Black/Milky/Amber/Blue Package Weight: approx.15g Diameter: approx.6mm/0.24in Size: approx.26.2x12.4mm/1.03x0.49in Quantity: 4Pcs Package Includes: 4Pcs x Control Knobs note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!