This GearWrench 6-point deep socket set is a great addition to any mechanic's toolset. With a size of 19mm and a drive size of 3/8in., it's perfect for metric measurements. The chrome surface finish ensures durability and longevity, while the California Prop 65 Warning indicates that it complies with safety standards. This single-item socket set is suitable for automotive use and comes with a manufacturer part number 80401. It's a reliable tool that can handle heavy-duty tasks. Whether you're a professional mechanic or a DIY enthusiast, this GearWrench socket set is a must-have.