Set of 4 Bourns 500K SPLIT knurled shaft audio taper potentiometers with low friction rotation This a short shaft pot (threaded bushing is 38 tall and 38 diameter, shaft is 14 diameter) Pot is manufactured by Bourns A set of capactors and buss wire is included Note: 1 Requires 38 diameter mounting hole 2 If you have an import guitar it uses metric sized components and these pots cannot be used without modifying the openings on your guitar 3 These pots have coarse knurl shafts and require 6mm knobs