Comes with a compact size and light weight, installation can be completed quickly in minutes Versatile use: Replacement for 717-0528A, 717-0528, 917-0528A, 717-04449, 717-04861, 917-0528, 917-04861 The worm wheel set is made from brass, not easy to deform and very for long-term use This product is small in size and light in weight, which is very to carry around A spare part snow blowers This special worm gear drives the worm shaft and has a slot in the shaft to fit onto the output shaft with a semicircular