Hilitchi 360pcs M2 M3 M4 Male Female Nylon Hex Spacer Standoff Screw Nut Assortment Kit Nylon Hex Spacers/ Screws/ Nuts Assorted Kit. M2 White color total 120 pieces. Come with the plastic box. M3 Black color total 120 pieces. Come with the plastic box. M4 White color total 120 pieces. Come with the plastic box.