High quality set suitable for occasional or everyday use. Made from chrome vanadium steel for strength and durability. Ideal for work on large machinery but also very popular for motor bike spindles. Supplied complete in a blow molded storage tray. Includes metric and imperial sizes; Metric Sizes; 8mm, 10mm, 12mm, 14mm, 17mm and 19mm. Imperial Sizes; 3/8", 7/16", 1/2", 9/16", 5/8" and 3/4".