Professional-quality mechanic's tools at a great everyday low price
Drop-forged, heat-treated chrome-vanadium alloy
Broad, smooth-edged, flat-paneled beams are nickel chrome plated and polished to a mirror finish
Meet or exceed ANSI specifications
Pro-Grade™ SAE & Metric Open End Wrench Sets are precision made following the strictest quality controls and using only the finest materials available. They're designed to perform and built to last. We're so sure of their quality and toughness, we back each and every one of them with a 48-hour FREE replacement warranty for the life of the tool. When you want quality and the highest level of satisfaction, you want Pro-Grade™. Pro-Grade™-a name you can trust, tools you'll be proud to own.