Abrasive Blasting Deadman Valve with 4 Ceramic Nozzles (2 mm, 2.5 mm, 3 mm, 3.5 mm) Fast on/off conserves media and reduces mess Spring loaded paddle trigger Nonslip vinyl grip Nozzle sizes: 2 mm, 2.5 mm, 3 mm and 3.5 mm Air inlet: 3/8''- 18 NPT