Kit includes STD deck mount wiper motor (part number 35520), 7-1/2' adjustable stainless steel arm (part number 33002), and 11" stainless steel straight blade (part number 33001) Motor has 3-1/2" shaft for below-deck installations, 1/2" shaft diameter; Motor is not waterproof or water-resistant, and should only be mounted in interior locations; Corrosion-proof aluminum alloy case with black crackle finish; Deck Mount version includes Deck Mount Adapter Kit (33000)for below deck installations; 80 degree sweep set (can be adjusted to 110 degree sweep); Adjustable right or left self-parking; 12 volt motor and heavy-duty gear train; Maximum current draw: 2 amps;