Suitable for all guitars: The guitar knobs are compatible with most electric guitars and are a good DIY product for musical instrument lovers The sleek and modern look is sure to turn heads. Metal New Design: These metal knobs feature a new design, unlike the old knobs which have a plastic bushing inside, and the set screw only presses against the plastic bushing, not directly against the shaft It's durable, better matches the overall look of the guitar's hardware, and is more durable than plastic. Withstand increased use; GOOD TURNING FEEL: These volume knobs are made of solid steel and fit most electric guitars. There is a simple flat head screw on the side of the knob that holds the knob in place. HIGH VALUE TO FIT NEEDS: Metal knobs are the perfect knobs for your guitar project, these will meet your needs. This is a great value compared to local stores. Definitely worth every penny you pay and not a waste of your time. Whether you're a beginner or a pro, these knobs are a great choice for any guitarist looking to upgrade the look and feel of their instrument Without hole Colour:Black Material:Metal Package Contents: 10 x Guitar volume knob Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.