ITEM NAME:1x Worm Gear 717-0528A 717-0528 917-0528A 717-04449 717-04861 917-0528 917-04861 Snow Blower Worm Gear 717-0528A 717-0528 917-0528A 717-04449 717-04861 917-0528 917-04861 SPECIFICATIONS.(Snow Blower Worm Gear 717-0528A 717-0528 917-0528A 717-04449 717-04861 917-0528 917-04861. Item included: 1 x Worm Gear. 6) This special worm gear drives the auger shaft and has a key slot in the arbor to fit onto the output shaft using a Woodruff key.
