MADE IN AMERICA- High quality, Industrial Grade Professional Tools made in the U.S.A. Contains MM Sizes: 2, 2.5, 3, 4, 5, 6, 8, & 10 EKLIND hex keys (allen wrenches) are used to drive internal hexagon socket (allen head) fasteners OPTIMUM STRENGTH- These EKLIND tools are made with EKLIND Alloy Steel that is heat treated, quenched and tempered for optimum strength, torque and ductility for safety and coated with a rust resistant finish EKLIND T-HANDLE HEX KEY- You get extra reach and extra leverage with the keys' longer shafts.EKLIND LOOP-STYLE T-KEYS- Keys that have longer shafts to provide extra reach and leverage, stack nicely and are organized in a pouch for compact storage, even in your tool box.EKLIND CUSHION GRIP T-KEY- Keys that have longer shafts to provide extra reach and leverage, the smooth vinyl handles are comfortable and slip resistance, they stack nicely and are organized in a pouch for compact storage, even in your tool box.IDENTIFY YOUR TOOLS- Metric sizes are color coded in blue so you can reach for the correct tool quickly.MEETS OR EXCEEDS ALL APPLICABLE STANDARDS- EKLIND tools meet or go beyond the standard regulations set forth in ANSI, ASME, RoHS, REACH, CA Prop 65 and Dodd-Frank Conflict Minerals Legislation