Ingersoll-Rand has unveiled the IR2130, their newest 1/2" impact wrench with a new composite housing and design that offers better ergonomics in a lighterweight package weighting just over 4 pounds. Additional features include: A reinforced aluminum hammer case. More powerful twin hammer mechanism for added strength and durability. Can deliver up to 600 ft.-lbs. of torque. A free speed of up to 9,500 RPM.