Crescent FR12 3/8" Ratcheting Combination Wrench, SAE

Patented ratchet feature turns bolt with just 5° handle swing vs. 30° Closed end works in places deep sockets will not reach Open-end jaw surfaces are parallel to within ±.0015" 72 tooth ratcheting mechanism receives special heat treat process Tool exceeds ANSI torque loads for standard combination wrenches Mirror finish chrome vanadium steel for maximum strength, durability Ratcheting closed end uses 12 points of contact, less stress to fastener . Aeronca If you have a question about one of our products, please email us. We check our email regularly, and try to get questions answered as quickly as possible.  BC 5/18/17 AC