Introduction Ten guitar pedal knobs designed for 1/4" (6.35mm) shaft pots. Ideal for players and technicians replacing worn knobs on guitar pedals, amplifiers, or effects units with a simple, reliable fit. Key Features & Design 10-piece knob set Fits 6.35 mm (1/4") shaft pots Dimensions: 15.5 mm height x 12.6 mm outer diameter Suitable for guitar pedals and amplifiers Classic knob design for easy grip and precise adjustments Performance / Benefits Restore control and consistency to your pedalboard with a straightforward replacement. The 15.5 mm tall, 12.6 mm diameter knobs provide a comfortable grip and reliable rotation, making maintenance quick and hassle-free. Free shipping is included—please allow up to 30 days for delivery. California Prop 65 warning: Cancer and Reproductive Harm.