Item Type: Threaded Insert Material: Stainless Steel Package List 10 x M3x0.5x1.5D Threaded Insert 10 x M3x0.5x2D Threaded Insert 10 x M4x0.7x1.5D Threaded Insert 10 x M4x0.7x2D Threaded Insert 10 x M5x0.8x1.5D Threaded Insert 10 x M5x0.8x2D Threaded Insert 10 x M6x1x1.5D Threaded Insert 10 x M6x1x2D Threaded Insert 10 x M8x1.25x1.5D Threaded Insert 10 x M8x1.25x2D Threaded Insert 5 x M10x1.5x1.5D Threaded Insert 5 x M10x1.5x2D Threaded Insert 5 x M12x1.75x1.5D Threaded Insert 5 x M12x1.75x2D Threaded Insert 1In the event of a threading error or repair of a damaged female threaded hole, a threaded insert can be used as a means of repair to provide a cost-effective recovery of the screw hole. 2The wire threaded insert set are placed in the screw hole of the workpiece such as aluminum alloy to form a high-strength, wear-resistant, high-accuracy female thread. 3It is convenient and quick to convert metric and inch threaded holes with wire threaded inserts. 4Made of high quality stainless steel material, durable and long service life 5There is a box which you can store and convenient to carry