Bourns Guitar & Amp Potentiometer, 1M Audio, Solid Shaft Bourns Guitar and amplifier pots. These are drop in replacement components. Low torque, Carbon element 1/4" Solid Shaft, 3/8" Bushing Width, 3/8" Bushing Length Tolerance: 20 %, Power Rating: 0.25 watt, Maximum Operating Voltage: 250 V Bourns Series Number: PDB241-GTR