Abrasive Blast , Product Type Abrasive Blast , Feed Type Siphon, Air Flow - Maximum 6 cfm, Air Pressure - Maximum 80 psi, Nozzle Inner Dia. 4 mm, 5 mm, 6 mm, 7 mm, Nozzle Material Ceramic, Hose Connector Size 1/4 in, Hose Connector Type NPT, Compatible Abrasive Media Aluminum Oxide, Glass Beads, Compatible with Grainger Part Number 10Z912, Compatible with Manufacturer Model Number Not Applicable, Includes Air Jet, Ceramic Nozzle, Material Steel, Nozzle Connector Size 3/16 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)