Musiclily Plastic 1 Volume and 2 Tone Control Strat Knobs Set for Fender ST Stratocaster Replacement Electric Guitar Parts,Black(Pack of 10) Fit Fender Strat, gio, Squier or other strat style gutiar Metric Size, ideal for Asia made(China, Korea, Japan) 6mm diameter shaft import pots.Not for inch size pots like Fender, CTS, Dimazio pots. Top of the knob: approx. 17mm diameter; Bottom of the knob: approx. 25.5mm diameter;Split Shaft:6mm(about 0.24 inch) Metric Size is popular in guitars bass made outside the USA/Mexico. Package include: 30 pcs Control Knobs (10 VOLUME, 20 TONE KNOBS)