The 3-pole and 4 position can be used in a Varitone switch notch filter circuit, per Gibson ES-345 guitars. Hardware included. Made by Alpha.

Body Depth: 10mm
Body Width: 31 mm x 25mm
Bushing Length: 9.5 mm
Bushing Thread: M9X0.75
Hex Nut Thickness: 2mm
Hex Nut Width: 12mm
Insulation Resistance: >100MΩ at 500VDC
Life: 10,000 cycles
Max. Working Voltage: 500V
Max Rotational Stopper Strength: 9Kgf
Operating (Useable) Temperature: -10 °C to +70 °C
Rotational Torque: 1.0±0.5 kg-cm
Shaft Diameter: 6.35 mm
Total Shaft Length: 19mm
Washer I.D.: 9mm
Washer O.D.: 14mm
Withstand Voltage: 500 VAC for 1 min.