Bourns Set of Four (4X) 500K SHORT Split Shaft Audio Taper Low Friction Potentiometers SET of 4 500K Split Shaft Audio Taper Pots - 3/8" bushing Low Friction Rotation 18 Tooth Coarse Spline Shaft Each pot comes with hardware - 1X Hex Nut and 2X Washers NOT FOR IMPORT GUITARS!! These pots are sized for use in U.S. made guitars.