• Impact and temperature resistant replaceable polymer grip designed to dissipate heat from the cast handle
• Weight reduction of 14% to previous models
• Improved center-of-gravity for superior ergonomics
• Increased service life with the addition of back-up rings and larger O-rings
• Built-in hydraulic check valve to eliminate damage from an improperly connected tool
• Large and strong lifting eye for easy and secure storage
• Longer and wider trigger provides improved control with insulated gloves
• Fast and easy change between open-center systems and closed-center systems with no disassembly required
• Higher breaking torque in reverse to ensure you can remove tighted bolts
• Cast motor enclosure that better protects the impact mechanism operation versus competing models with stamped steel enclosure

This is a HW1 Greenlee Impact Wrench


Product Details:

• Accessory : NR1 Nut Runner With Adapter For 5/8'', 1/2'', 13/16'' and 1.000'' Square Nuts, NR2 Nut Runner With Adapter For 1.000'', 1-1/8'' And 1-5/16'' Square Nuts, 00376 Trigger Guard Kit For HW1 Or HW1V, 49314 Heavy Duty 7/16'' Hex X 1/2'' Square Drive Shank
• Capacity : 7/16 IN Hex
• Drive Size : 1/2 IN
• Flow Range : 4 - 12 GPM (15 - 46 LPM)
• Handle Type : Impact And Temperature Resistant Replaceable Polymer Grip
• Height : 11.000 IN
• Hydraulic System : Super Spool Selector For Open and Closed-Center Systems
• Includes : 7/16 Hex Quick-Change Chuck And 49314 Heavy-Duty Adapter IN
• Length : 8.200 IN
• Operating Pressure : 1000 - 2500 PSI (69 - 170 BAR)
• Optimum Flow Range : 5 - 8 GPM (19 - 30 LPM)
• Pressure Port : 9/16 - 18 SAE O-Ring
• Replacement : 54923 HTMA Male Coupler: HTMA, 3/4-16 SAE O-Ring Exterior Thread, 54925 HTMA Female Coupler: HTMA, 9/16-18 SAE O-Ring Exterior Thread
• Return Port : 3/4 - 16 SAE O-Ring
• Torque Rating : 500 FT-LB At 8 GPM (677 N-M At 30 LPM) Maximum, 500 FT-LB At 8 GPM (677 N-M At 30 LPM) Minimum
• Type : Hydraulic, High Torque