The 3 PC. Metric Handy Hex Keys Set by PITTSBURGH includes three folding star bit wrenches made of durable chrome vanadium steel. This set features a non-ratcheting design and a multicolor finish, making it easy to identify the size of each piece. The set includes sizes ranging from 5/64 to 1/4 inch, catering to various metric and standard measurement needs. Manufactured in China, this set comes with a manufacturer warranty for added convenience and peace of mind.