Self-Locking Insert Kit, System of Measurement Metric, Insert Diameter Not Applicable, Internal Thread Size M3- 0.50, M4- 0.70, M5- 0.80, M6- 1.00, M8- 1.25, Thread Direction Right Hand, Thread Type Coarse, Overall Length 6.5 mm, 7.5 mm, 10.5 mm, 12.5 mm, Number of Pieces 50, Number of Sizes 5, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Wall Type Heavy Wall, Compatible Material Metal, Manufacturer Location Made in USA, Drive Type Slotted. This item has been restricted from sale in the following state (s): []