The JobSmart 22 pc. SAE/Metric Combination Hex Key Set is great for any application to get the job done smoother and more efficient. Featuring L-shaped hex keys for ease of use, this combination hex key set includes a variety of SAE and metric sizes to ensure you have everything you need. The hex key set is made from chrome vanadium steel, providing durability and added strength.WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm; for more information go to www.P65Warnings.ca.gov