Headphone Accessories -Pack of 100 Potentiometer Volume Switch Electronic Control Buttons 10x15mm Black Highlights Generic Brand 100 Pack Potentiometer Volume Switch Electronic Control Buttons 10x15mm Black Description: Product Name: Buttons potentiometer knob Dimensions: 10 x 10 x 15 mm / 0.4 x 0.4 x 0.6 inch Material: aluminum alloy Internal bore diameter: 6mm / 0.2 inch Package includes: 100 packs of potentiometer knobs potentiometer control specification: Outer diameter: 10mm Height: 15mm / 0.6 inch Package includes: 100 pack potentiometer control knobs Note: Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm) Please check the size measurement and picture carefully before you make payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.