The Grip-Rite Industrial GRTFR130 is designed for Pole barn Framing, Prefabricated houses, Timber Frames, Concrete Forms, Engineered Lumber, Export packaging, Pallets, Railroad timbers and other rugged industrial applications. This heavy duty nailer is built for durability and is equipped with an EZ-tool drive depth adjustment, a fast top loading magazine, dry fire lockout that increases tool life, durable molded rubber grip, an auxiliary handle to increase stability, and a bump fire trigger for maximum speed. The GRTFR130 has a magazine capacity of 54 nails. It shoots 21 degree Plastic Strip Round Head Framing Nails with a length from 2-1/2 in. to 5-1/8 in. long and a with a shank diameter from .148 in. to .165 in. thick. Also included with the purchase of this tool: auxiliary handle, safety glasses, hex wrenches, tool oil, parts manual, and male air plug.