Loknob Offers Premier Locking Knob, Fuggedabouit Tour Caps | Vintage Guitar® magazine
LARGE MXR® KNOB WITH SET SCREW - Dunlop
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Amazon.com: KAISH 10pcs Guitar AMP Effect Pedal Knobs Pointer Knob with Set Screw Black : Musical Instruments
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Amazon.com: DaierTek 10pcs Black Davies 1900h Clone Guitar Effect Pedal knob 1/4 Shaft Set Screw for Amplifier amp boss Volume Control : Musical Instruments
20mm Boss Style Knob in Color | For Guitar Pedals and Gear
Set of 4 Boss effects pedal replacement knobs - Black with blue face