Alpha® Concentric Potentiometer 250 kohm chrome

Alpha concentric potentiometer, 250K. Alpha concentric (stacked) potentiometers, 250K audio taper. Generally used where space constraints and aesthetics limit the number of controls. Sold with chrome knobs. Measurements: overall length of pot without knobs = 1 1/2" (38.04 mm); threaded collar length = 3/8" (9.6 mm); threaded collar diameter = 11/32"; housing length = 9/16" (14.17 mm); lower knob height = 25/64" (10 mm); lower knob diameter = 3/4"; upper knob height = 13/32" (10 mm); lower knob diameter = 9/16"; lower knob inset = 3/32" (2.5 mm); inner shaft diameter = 1/8"; outer shaft diameter = 1/4"; thread type = M8 0.75.