75236, Cole Hersee, Electrical windshield wiper switch, 12V or 24V DC, for two motors, For use with motors with dynamic parking, including Robert Bosch and Sprague Devices motors, Sealed construction, including O-ring on the shaft, Black plastic knob with metal insert and set screw, white imprint, Mounting stem 7/16" -28 thread, .45" (11.4mm) long, Diecast case 1 5/8" (41.3mm) diameter, 8 blade terminals.