12X (Set of 12) CTS 450G 500K SHORT/split, knurled shaft, audio taper potentiometers. These 10% audio taper pots are suitable for both tone and volume controls. Some of the features of this pot are:500K Ohms/20% Tolerance10% Audio TaperBakelite base plateSolid brass c-clip reinforced shaftSolid brass bushing3/8-32 US thread3/8″ (short shaft) bushing heightSplit, fine 24-tooth, knurled, 1/4″ diameter shaftChamfered shaft for easier knob installation and removalEach pot comes with hardware – 2 nuts, dress washer and lock washerRequires 3/8″ diameter mounting hole Pot is manufactured and branded by CTS , Part # 450GT36K504B2S. Note:If you are uncertain whether your guitar uses short (3/8″) or long (3/4″) shaft pots, as a general rule this pot will fit most USA-made Gibson Les Paul’s manufactured before 1977 and historic reissues, but please double check before you order.Make sure to pinch the tip of the shaft before you try fitting a knob, this will avoid getting knobs stuck before you install the pot.. If you have questions, please feel free to ask.