Product Description EKLIND TOOL COMPANY is America's leading manufacturer of high quality, industrial grade hex keys, made with pride in the U.S.A. since 1950. The EKLIND 13607 Ball-Hex-L Key allen wrench - 7pc set Metric MM sizes 1.5-6 Long series meets the most stringent requirements of professional mechanics, tradespeople, do-it-yourselfers and hobbyists. From the Manufacturer The Eklind 13607, Ball-Hex-L Key Metric 1.5MM-6MM,Long 7-Piece Set is designed with a ball profile on the long arm. This feature provides 360 Degree of rotation at up to a 35 Degree angle. The burr-free short arm allows the user to apply maximum torque in required applications. The set is contained in a compact molded holder that firmly retains each key in designated holes. The molded holder is color-coded which makes them instantly identifiable; red for inch sizes, and blue for metric sizes.