Brand: Performance Tool Manufacturer's Part Number: M197 Part Type: Torque Wrenches Product Line: Performance Tool Torque Wrenches Summit Racing Part Number: WMR-M197 UPC: 039564501975 Socket Drive: 3/8 in. Torque Wrench Scale: In.-lbs. Torque Range: 30-250 in.-lbs. Torque Wrench Style: Click Torque Wrench Material: Steel Torque Wrench Finish: Chrome Quantity: Sold individually. Performance Tool Torque Wrenches Performance Tool torque wrenches have been developed through constant market and product research; part of their effort to deliver superior products for demanding users. They're made of nickel chrome plated alloy steel for long tool service and extra durability， use after use.Click-style torque wrenches are available in a variety of drive sizes， torque ranges， and graduations. They feature high-grade spring steel torque mechanisms with easy-to-use locking systems (select models have patented torque-adjusting lock/unlock collars) to prevent accidental adjustment during operations. They come with instruction manuals and heavy-duty cases. Performance Tools' classic beam-style torque wrenches easily and accurately measure torque in a variety of applications. Their textured black handles make gripping easy， so you can get accurate readings， and the job done right.