MADE IN AMERICA- High quality, Industrial Grade Professional Tools made in the U.S.A. Contains INCH Sizes: 5/64, 3/32, 7/64, 1/8 , 9/64, 5/32, 3/16, 7/32, & 1/4 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 FAST AND EFFICIENT- The EKLIND Ball-Hex keys work at up to a 30 degree angle for access to hard to reach socket-headed fasteners DURABLE HANDLES- The screwdriver handles are strong and comfortable IDENTIFY YOUR TOOLS- Inch sizes are color coded in red 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