Abrasive Blast Gun Product Type Trigger Gun Kit Feed Type Siphon Air Flow - Maximum 15 cfm Nozzle Inner Dia 1/4 in Nozzle Material Steel Hose Connector Size 1/4 in Hose Connector Type NPT Hose Length Not Applicable Air Pressure - Minimum 80 psi Air Pressure - Maximum 125 psi Compatible with Grainger Part Number 15E765 15E766 15E789 Compatible with Manufacturer Model Number 40015 40017 40018 Includes (3) 1/4 in Steel Nozzles (2) 1/8 in Air Jets Gun Material Aluminum