Specification:Item Type: Insert NutMaterial: IronQuantity: 65pcsIncluded Type: 20pcs M6 x 10, 20pcs M6 x 17, 10pcs M8 x 13, 10pcs M8 x 20, 5pcs M10 x 20 Weight: Approx. 399gScope of Application: Home, Wood Assembly Link Features:Made from high quality iron material, high hardness and a long service life.There are total 65pcs hex nuts, 20pcs M6 x 10, 20pcs M6 x 17, 10pcs M8 x 13, 10pcs M8 x 20, 5pcs M10 x 20, in one set that you can use for many projects.They are simple to use and convenient to connect wood assembly link to other parts.Mainly used for furniture, embedded screws.Have the function of fastens furniture and wood board.