Kit includes STD wiper motor part number 35040, 7-12 adjustable stainless steel arm part number 33002, and 11 stainless steel straight blade part number 33001 Motor is not waterproof or water-resistant, and should only be mounted in interior locations Corrosion-proof aluminum alloy case with black crackle finish Motor has 2-12 shaft length and 38 shaft diameter Designed for windshield frame mount installation 80 degree sweep set can be adjusted to 110 degree sweep Adjustable right or left self-p