Hyper Tough 16-piece Combination Wrench Set - SAE makes a useful and versatile addition to your tool collection. It comes in handy for automotive work home repairs and other jobs. Each wrench is made of Chrome Vanadium Steel (CRV) with mirror polish finish and is nickel-chrome plated for durability. They also come inside a conveniently portable carrying case with an attached handle. This 16-piece wrench set has pieces ranging in size from 1/4 to 7/8.