Amazon.com: Guyker Guitar Aluminum Dual Concentric Control Knobs - Dome Volume Tone Stacked Knob Replacement for Electric Guitar or Bass (black, 2 piece) : Musical Instruments
250K-Stacked Concentric volume Pot--NO detent - Best Bass Gear
Fender Knob Set, Concentric, Plastic, Black – ToneShapers
Amazon.com: Musiclily Pro Universal Metal Dual Concentric Stacked Control Knobs for Electric Guitar and Bass, Chrome (Set of 2) : Musical Instruments
Our SH wiring diagram for dual concentric pots for TELE with 3 way | Fender Stratocaster Guitar Forum