Self-Locking Insert Kit, System of Measurement Inch/Metric, Insert Diameter Not Applicable, Internal Thread Size M10- 1.50, M12- 1.75, M6- 1.00, M8- 1.25, Thread Direction Right Hand, Thread Type Metric Internal/UNC External, Overall Length 10.3 mm, 12.3 mm, 13.1 mm, 16.7 mm, Number of Pieces 36, Number of Sizes 4, 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): []