Powerhorse High-Pressure Abrasive Blasting Kit blasts out up to 750 lbs. of abrasive per hour for fast cleaning and rust removal. Application Blasting kit, Recommended Media Fine silica sand, medium-coarse, Body Material Steel, Diameter in. 1/4, Dimensions L x W x H in. 22 x 10 x 7, Hose Length ft. 13, Max. PSI 3,500, Nozzle Size in. 5. Uses fine silica sand, medium to coarse grit 3.5 to 8.0 GPM Male 1/4in. quick-connect fitting Works with your pressure washer