ATD air powered Rivet gun 3/16" Regular Duty, Comes equipped with: 3/16", 5/32", 1/8", and 3/32" nosepieces. 1/4" Air inlet. Air consumption 4 cfm. Requires only 75-85 PSI for operation. Quick release air valve permits quick cylinder return. Ideal for automotive body repair, metalworking shops, and mobile home builders.