Features: Brand new and high quality. 3/8 Size Pointer Indicator Washers. 4 Pcs Guitar Knobs Pointer Plate Knob Position Indicator. Fits most metric size pots with diameter less than 9.7mm. Specifications: Material: Metal Color: Silver Gold Size: 22X14.2mm Inner diameter: about 9.7mm Thickness: about 0.5mm Package Includes: 4 x Guitar Knobs Pointer Plates Note: Please refer to the measurement. Tiny measuring error is allowable in normal range. There might be a little color difference due to the monitor camera or other factors please refer to the physical item.