Multiple available. Secure with a grub screw so ideally for smooth shaft pots. Grub screw fixing, 6mm pot shaft sort of territory.
sourcing map 4pcs Metric Top Hat Bell Knobs, 2 Volume 2 Tone Control Guitar Knobs Set for Electric Guitar Bass Split Shaft Pots, Black with Silver Top
Classic Cantabile Brass VP-16 Valve Trombone, B Flat, 203 mm, Silver
26mm black silver top amp knob fluted volume amplifier radio control knob 1 inch
Marshall style silver top grub screw amplifier control knob solid smooth shaft
24mm Silver top hat knob fluted grub screw 6mm smooth pot shaft volume tophat
40x16mm Silver top black fluted knob amp volume tone amplifier wide 6mm 40mm
