Abrasive Blast , Product Type Abrasive Blast , Feed Type Pressure, Air Flow - Maximum 9 cfm, Air Pressure - Maximum 125 psi, Nozzle Inner Dia. 2 mm, 2 1/2 mm, 3 mm, 3 1/2 mm, Nozzle Material Ceramic, Hose Connector Size 3/8 in, Hose Connector Type Barbed, Compatible Abrasive Media Aluminum Oxide, Glass Beads, Compatible with Grainger Part Number 10Z913, 10Z914, 10Z915, Compatible with Manufacturer Model Number Not Applicable, Includes (4) Nozzles, Material Steel WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)