Eklind Tool Company is America’s leading manufacturer of high-quality, industrial-grade hex keys, proudly made in the U.S.A. since 1950. The Eklind Long-Series Hex-L Key Allen wrench meets the highest standards demanded by professional mechanics, tradespeople, DIYers, and hobbyists. It is made from Eklind Alloy Steel that is heat-treated, quenched, and tempered for optimum strength, torque, and ductility, and coated with a rust-resistant finish for long-lasting performance.