DPDT switched push pull potentiometer in various values for use as tone and or volume pots. All have 6mm shaft diameter except the CTS type which has the larger diameter too fit an 8mm hole and a shorter shaft and are only suitable for mounting through scratchplates.  

Supplied with 2 half nuts and washers for mounting through scratch plate and bodies dependent on model selected.

Typical uses include coil cut / tapping , phase reversal, tone capacitor switching, tone bypass etc.

Values available

B100k often used a tone pot on bass models and can be used in tone bypass circuits

A250k typically used as a volume control on single coil pickup guitars ( 6mm and 8mm shaft versions )

B250k typically used as a tone control on single coils pickup guitars

A500k typically used as a volume control on humbucker guitars

B500k typically used as a tone control on humbucker equipped guitars.