●Ideal for Fender Stratocaster guitar. If your guitar is Squier style and use imperial inch size 24-splines pots, it will work as well. ●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 ●If your pots are coarse-knurled 18-spline shafts or import metric size, do not buy it ●Made of plastic ●Numbers 1-10 ,Set of 3 (1 Volume, 2 Tone)