The hard-hitting MAC3 Rivet Buster features 1500 blows per minute with a 6-3/4″ piston stroke. The closed handle and outside thumb trigger provide ergonomic comfort during prolonged operation and at just under 30 pounds, this lightweight air tool is easy on the back. Ideal for bridge deck removal, concrete busting, demolition and many other applications, the versatile MAC3 Rivet Buster has become the go-to air tool in construction and concrete industries.