Hyper Tough 6 piece Combination Wrench Set Metric comes in handy for small automotive work, home repairs and other jobs. Each wrench is made of Chrome Vanadium Steel (CRV) with raised panel and is nickel chrome plated for durability. It's simple to work with for your convenience. The slim size makes the wrenches easy to handle for confident work. They come inside a conveniently portable carrying case with an attached handle. Sizes are etched on, making reading and identification easier, and all pieces meet ANSI/ASME standard of safety and quality.