Item Type: Guitar KnobMaterial: Plastic 1Applicable Guitars: This knob is only applicable to guitar or bass with American 24 spline split shaft basin, check the type for better fit! 2Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 3Ideal Replacement: This knob can be easily installed, making it an ideal replacement for the old and damaged parts. 44Pcs: There are 4 pieces knobs in the package, enough amount for you to make replacements or use, choose it with confidence! 5Plastic Material: Using excellent plastic material, the knob possesses impact resistance, scratch resistance, environmentally friendly. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.