Brand: Astro Pneumatic Tool Company Manufacturer's Part Number: 1894 Part Type: Impact Wrenches and Drivers Product Line: Astro Pneumatic Tool Company ONYX Thor Impact Wrenches Summit Racing Part Number: APT-1894 UPC: 745227076383 Impact Type: Air Impact Drive Size: 1/2 in. Impact Maximum Tightening Torque Output (lbs./ft.): 940 lbs./ft. Maximum RPM: 9，000 Case Included: No Extra Battery Included: No Battery Charger Included: No Quantity: Sold individually. Astro Pneumatic Tool Company ONYX Thor Impact Wrenches Astro Pneumatic Tool Company presents the ONYX Thor impact wrenches， designed to be the highest performing 1/2 in. impact wrench on the market. Rated at 940 lbs.-ft. traditional Max torque， compared to 1，600 lbs. bolt-breakaway and hardware nut-busting―the mighty ONYX Thor impact wrenches by Astro Pneumatic Tool will get the job done!Additional tool features and specs:* Patented oversized floating air motor and twin-hammer assembly put the weight over your hand for balance and allow for industry leading power at only 6.7 in. in length* For use with 3/8 in. or 1/4 in. NPT fittings (adapter for 1/4 in. included)* 4.94 lbs. (6.5 cfm continuous use， HI-FLO air accessories recommended)* Free Speed: 7，000 rpm* Includes rocking forward/reverse lever， handle located power adjustment wheel， and 2-stage trigger for a power selection without tool adjustment