Spot Blaster, Product Type Spot Blaster, Feed Type Siphon, Air Flow - Maximum 20 cfm, Nozzle Inner Dia. 5/16 in, Nozzle Material Ceramic, Hose Connector Size 1/4 in, Hose Connector Type NPT, Hose Length Not Applicable, Air Pressure - Minimum 80 psi, Air Pressure - Maximum 125 psi, Includes (1) lb of Abrasive, Material Steel, Nozzle Connector Size 5/16 in