This Texas Pneumatic 6 inch pneumatic rivet buster has an outside trigger, Positive retention of piston, steel throttle valve, barrel has built-in bridge for safety, adjustable exhaust deflector. It operates at 90 psi. Comes with oiler and whip hose at no additional cost. Weight 26.9 lbs., 20.75″ length. Requires 34 CFM air supply. BPM 1100. Minimum hose requirement 1/2″.