Marshall-style Knob - Silver Cap Hot! Black plastic knob with aluminium top. Make your pedal look like a Marshall amp. Well, a bit... Silver cap. Pot shaft size: 6.3mm Diameter: 20mm at base Height: 15mm Fitting: Grub screw Price is per knob. Product Code: MAR-SLV Brand: Pedal Parts Weight: 60.0g Product Condition: New Notify me when product is back in stock £0.90 inc. tax £0.75 ex. tax ? Tax based on United Kingdom. x