The General Pump High-Pressure Abrasive Blasting Kit blasts out up to 750 lbs. of abrasive per hour for fast cleaning and rust removal from 3.5 GPM up to 8 GPM and up to a max. of 3,500 PSI. Steel nozzle, 18in. probe, 20in. lance and 13 1/2 hose. Hooks up to your pressure washer. Application Blasting kit, Recommended Media Fine silica sand, medium/coarse grit, Diameter in. 1/4, Max. PSI 3,500, Body Material Polyurethane, Hose Length ft. 13 1/2, Nozzle Size in. 5.0, Temperature Range F 200. Uses fine silica sand, medium to coarse grit, 20/40 Nonadjustable 5.0 steel nozzle 20in. lance 18in. sand probe 13.5ft. sand hose 1/4in. I.D. pipe Male 1/4in. quick-connect fitting on the inlet Replacement parts are available through Northern Tool Customer Service Model Number: DSDBK1. Size: 0. Color: Brown. Age Group: Adult.