1.Ideal for Left Handed Gibson guitars like the Les-Paul, SG, ES-335 etc. If your guitar is Epiphone style and use imperial inch size pots, it will work as well. As long as your pots are Imperial Size.

2.Fits common 1/4 inch split shaft imperial size pots, fits most USA made guitar and fine-knurled 24-spline shafts USA CTS/Fender/Bourns/Dimarzio standard pots

3. They will NOT fit pots that are coarse-knurled 18-spline shafts or import metric size.

4.Made of acrylic