Hydraulic Impact Wrenches-Drivers: Type - Hydraulic High Torque Impact Wrench; Drive - 1/2 in. Hex; Pressure Port Thread - 9/16-18 SAE O-Ring; Return Port Thread - 3/4-16 SAE O-Ring; Torque - Maximum - 500 ft-lb at 8 gpm; Flow Range - 4 - 12 gpm; Operating Pressure - 1000 - 2500 psi; Size - Dimensions - 8.20 in. L x 4.20 in. W x 11.00 in. H; Weight - 6.50 lb; Accessories - 7/16 in. Hex Quick-Change Chuck And 49314 Heavy-Duty Adapter IN; Additional Information - Super Spool Open-and-Closed-Center Selector Control
Additional Info: Super Spool Open-and-Closed-Center Selector Control