Boss-style Knob - Black - 44mm Black plastic knob in a Boss style. 44mm outside diameter. HUGE! NOTE: Will fit the round shaft, vertical-mount pots but are VERY tight on them. They need a lot of shoving. Pot shaft size: 6mm Diameter: 44mm Height: 18mm Fitting: Set screw Price is per knob. Product Code: BossKnob44 Brand: Pedal Parts Weight: 60.0g Product Condition: New Notify me when product is back in stock £0.78 inc. tax £0.65 ex. tax ? Tax based on United Kingdom. x