Wallboard Tools Lightweight One-Piece Aluminum Body With Long Steel Trigger. Includes Three Solid Brass Orifices, 3/16", 1/4" And 5/16." Large-Capacity Heavy-Duty Plastic Hopper With Built In Angle. Features Air Shutoff Valve To Control Air Pressure. Requires A Minimum Compressor Of 7 Cfm At 25 Psi.
