The Mac Tools AWP Air Impact Wrench Series are available in three sizes including the 3/8" (No. AWP280Q), the 1/2” compact (No. AWP284Q) and the 1/2” ( No. AWP612Q). This series offers Mac's quiet performance technology and the 1/2” has 1,175 ft/lbs of breakaway torque. These impacts include enhanced durability and performance in their design. The heavier hammers, larger pins and steel clutch plate will help technicians get the job done right, according to the company. The classic comfort grip featuring a rubber over-mold ergonomic handle design is part of this series to ensure powerful protection in the harshest work environments. This series comes with a two-year warranty.