The Art Of Tone 1X - CTS TAOT CUSTOM 525K SHORT Split Shaft Audio Taper Potentiometers - 500K CTS TAOT CUSTOM SERIES 525K ohm, Audio Taper, 10% Tolerance Shortl Shaft (3/8" Height X 3/8" Diameter Bushing), 24 Tooth Fine Spline Split Shaft High Quality Brass Bushing & Brass C-clip reinforced Shaft 525K ohm gives you slightly more resistance than typically 500K ohm pot Imperial Sized - NOT for import guitars using metric components