General Pump sandblasting kit test run on the wheel of my M35A2 deuce and a half.
SKU# 88.0036 at PWMall site. This is a great product. I ran out of sand and time but there will be a follow up video this spring of the blasting of the whole truck.
Abrasive used was Home Depot masons sand. Dried, screened, and bagged for about $3/50lbs.