These insert nuts are made from high quantity zinc alloy and comes in a resealable transparent plastic box.Screw-in insert nuts have an external thread and can be screwed in with a hex key wrench.This set of screw-in insert nuts come in different sizes and take different screw sizes.Widely used in the installation of mechanical fastener industry, furniture, etc.Type: Hex socket screw-inColour: brass-coloredMaterial: metalPackage Contents:80 * M4x10mm nuts60 * M5x10mm nuts30 * M6x10mm nuts20 * M6x15mm nuts20 * M6x17mm nuts9 * M6x20mm nuts5 * M8x20mm nuts6 * M8x25mm nutsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.