Features: These potentiometers are widely used for guitar tone and volume control and are for ideal for small cavities. Metric size pots are mainly used for imported guitars or guitars made in Asia. 6mm Knurled Split Brass Shaft Fits Coarse Knurled (18 for Key) Knobs. Linear taper with standard ±20% resistance tolerance, 250K ohm potentiometers are commonly used with single-coil pickups. Low friction rotation (meaning knob rotation is easier than standard rotation models). Specifications: Color: Chrome Material: Electron Weight: 13.3g Shaft Length: Approx. 18mm/0.71inch Split Shaft Diameter: Approx. 6mm/0.24inch Package Includes: 10x B250K Guitar Potentiometer note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.