10Pcs Yootones Guitar Amp Amplifier Push on fit Knobs for Marshall Amplifiers with 6mm Diameter Pots (Black Gold Cap)

Guitar amp push on fit knob is compatible with marshall amplifiers with 5.8mm to 6mm shaft pots, these knobs do not fit 'D' shaft pots. Guitar amp push on fit knob is made of plastic; cap is made of aluminum. Total Height: about 16mm; Outer diameter at the top: about 16mm; Outer diameter at the base: about 19.8mm. Guitar amp push on fit knob push on fit, no brass insert or set screw. Due to the wide variety of amplifiers and parts in the market, Please confirm the size before buying.