The Huck Model 507 is a heavy-duty tool sized for the installation of larger C50L HuckBolt fasteners, up to 1" in diameter. This rugged tool provides high-speed installation in a wide range of production applications. The Model 507's basic design, utilizing a simple cylinder and piston assembly, offers outstanding reliability. This tool also features an unloading valve, which relieves hydraulic pressure at both ends of the stroke, and a pintail ejector positioned on the nose assembly. A heavy duty production tool, the Model 507 weighs 43 pounds.