Our air rivet gun features a unique design that prevents overloading, increasing the life of the gun. It weighs only 3.3 pounds. Blind rivet capacity of up to 1/4″ for aluminum and 3/16″ for all other materials. Includes bottle, spanner wrench, and spanner gauge, (3) jaws, (3) nosepieces, and an air hose coupler. NOTE: Air required is 90 psi.