Abrasive Blast , Product Type Abrasive Blast , 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, Material Aluminum