Iron Grit Abrasive Return Iron Grit Abrasive Mohs Hardness: 7Bulk Density: 160 lbs cuftHard, Heavy good etching abrasiveBreaks down in small angular pieces Wear on nozzles and hosesAngular Shaped / Dark Grey or Black color Product Categories Abrasive Sandblasting Hose (37) Abrasive Sandblasting Piping Hardware (15) Air Hose & Couplings (25) Operator Safety (26) Sandblasting Couplings (24) Sandblasting Equipment (13) Sandblasting Nozzles (28) Sandblasting Replacement Parts (25) Sandblasting Valves (30)