GREENLEE Hydraulic Impact Wrench H8508-1V The GREENLEE H8508-1V Hydraulic Impact Wrench is a powerful and reliable tool designed for heavy-duty industrial applications. With a maximum Fastening Torque of 400 ft-lb, this impact wrench is capable of tackling the toughest fastening and bolting tasks with ease. features a durable and ergonomic design, making it comfortable to use for extended periods of time. This hydraulic impact wrench is compatible with a range of standard hex bits, giving you the flexibility to use different attachments for various fastening applications. The quick-release chuck makes it easy to change bits quickly and efficiently, saving you time and effort on the job. Hydraulic Impact Wrench Features: Super Spool permits quick switches between open-center and closed-center hydraulic systems. The most durable and longest life of any 1/2 IN wrench on the market. Includes the 49314 heavy-duty 1/2 IN square drive adapter, the toughest adapter on the market. With its robust construction and high-performance capabilities, the GREENLEE H8508-1V Hydraulic Impact Wrench is a valuable addition to any professional's toolkit. Twin-hammer impact mechanism provides high performance and reliability Button to switch between forward and reverse rotation One-piece handle and impact housing casting provide long life Heat-insulated handle and ergonomically positioned for comfort Well balanced for comfortable operation Drive Size / 1/2 inch Square Fastening Torque / 400 ft-lb Maximum Operating Pressure / 2,000 psi Minimum Operating Pressure / 1,000 psi Maximum Flow Rate / 10 gpm Minimum Flow Rate / 4 gpm Pressure Port / 3/4 inch - 16 SAE O-Ring Return Port / 3/4 inch - 16 SAE O-Ring Hydraulic System Type / Closed Center or Open Center Impact Rated / Yes Maximum Back Pressure / 200 psi Relief Valve Pressure Setting / 2,000 psi Recommended Filtration / 10 micron Maximum Oil Temperature / 140 °F Handle Type / Pistol Grip Tool Length / 8-3/16 inch Tool Width / 4-3/16 inch Tool Height / 10-5/8 inch Tool Weight / 7.7 lb Standards / SAE Standard J1273 Includes / Heavy Duty 1/2 inch Square Drive Adapter