Amazon.com: KAISH 10pcs Guitar AMP Effect Pedal Knobs Pointer Knob with Set Screw Black : Musical Instruments
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
DOD Guitar Effect Pedal Knobs | Reverb
Set of 4 Boss effects pedal replacement knobs - Black with white face
1pcs of Stove Top style Knob,14.5mm*19mm, for Amp,Effect Ped
Pedal Builder's Vector Art Pack
Guitar Pedal X - GPX Blog - Pedal Design 101 - All about Pedal Knobs, and why more brands should have their own signature versions