Rivet Buster / Demolition Hammer Originally designed to cut rivets off metal structures It is a powerful, heavy duty demolition hammer Half the weight of a 60 lb class but hitting almost as hard A tough - powerful tool with the ability to do fast & efficient demolition of all types Other Features include: 1 3/16" bore x 8" stroke 33 ft pounds of force 1140 bpm (blows per minute) Uses approximately 45 cfm of air @ 90 psi Weighs 30 lbs with no bit Uses the jumbo extra heavy duty tool steel Rivet Buster 11X Tool Steel Bits