CTS TAOT CUSTOM 500K SHORT Shaft Volume Pot - 450G - 1X 500K SHORT Split Vintage Audio Taper Potentiometer - 10% Tolerance Part# TAOT 450S 500K VT Vintage Taper has a smoother taper than standard audio making it a great choice for volume controls .236 diameter fine spline shaft for US Spec. push on knobs 3/8 inch diameter & 3/8" high brass bushing and shaft NOT FOR IMPORT GUITARS!! These pots are for use in U.S. made guitars.