Dopro 10pcs Guitar AMP Effect Pedal Knobs Pointer Knob with Set Screw White

Material: Plastic with Set Screw Total height: 15mm; Base diameter: 19mm Fits 1/4" (6.4mm) diameter pots We will include a screwdriver which can help you adjust the set screw Package includes: Knobs x10 & Screwdriver x1