This guitar control knob can replace the damaged, dirty, or old volume control knob, mainly used to adjust the sound output of the ST/SQ electric guitar. Spline shaft: 6mm / 0.24''; Base diameter: 26mm / 1.02''; Height: 13mm / 0.51''. Made of plastic material, it is durable and resistant to breaking or bending. The surface is smooth and won't scratch your hands. The 6mm round shaft can be pushed in easily, and the 360-degree knob is convenient for you to control the potentiometer. Please double-check the spline of your pot before ordering. ASIN B0BM97286X Color White Shape Round Brand Name MECCANIXITY Style Name Knobs Unit Count 1.0 Count Handle Type Knob Finish Types Unfinished Manufacturer MECCANIXITY Model Number mea220929ee0407 Material Type Plastic Exterior Finish Plastic Handle Material Plastic Number of Items 3 Additional Features Durable, Easy to Install Included Components Knob Handle Compatibility Application Specific Indoor Outdoor Usage Indoor Item Dimensions L x W 1.02 L x 0.51 W Manufacturer Part Number mea220929ee0407 Handle Attachment Mechanism snap fit