Air Powered Rivet Gun - Use this 3/16in. capacity rivet gun for fast fatique free rivet installation. Requires about 2 cfm at 90-120 p.s.i.. Includes 3/16in., 5/32in., 1/8in., and 3/32in. nose pieces. Works great with our 1/8in. Steel (31019) and Aluminum (31020) Countersunk Rivets. Imported. 90 Day Limited Manufacturer's warranty.