Description The item is a set of 300pcs simple and practical nylon hex screw nuts assortment in different colors, which includes 180pcs black ones in a plastic box, and 120pcs white ones in other plastic box. They are mainly made of durable hard nylon and plastic materials, and easy to install and use. Features - Color: including black and white. - Material: durable hard nylon and plastic. - and 300pcs Nylon Hex Spacers Screw Nut Stand-off Plastic Accessories Assortment. - 180pcs black ones in total, comes with the plastic box: Spacers Male-Female (6mm + 6mm, )10pcs Spacers Male-Female (8mm + 6mm, M3) 10pcs Spacers Male-Female (10mm + 6mm, M3) 10pcs Spacers Male-Female (12mm + 6mm, M3) 10pcs Spacers Male-Female (15mm + 6mm, M3) 10pcs Spacers Male-Female (20mm + 6mm, M3) 10pcs Screws ( x 6mm ) 60pcs Nuts (M3) 60pcs - 120 pieces white ones in total, comes with the plastic box: Spacers Male-Female ( 6mm + 6mm, )10pcs Spacers Male-Female (10mm + 6mm, M3) 10pcs Spacers Male-Female (15mm + 6mm, M3) 10pcs Spacers Male-Female (20mm + 6mm, M3) 10pcs Spacers Female-Female (6mm, M3) 10pcs Spacers Female-Female (10mm, M3) 10pcs Spacers Female-Female (15mm, M3) 10pcs Spacers Female-Female (20mm, ) 10pcs Screws ( x 20mm ) 20pcs Nuts (M3) 20pcsPackage list: 180 * Nylon Hex Spacers Screw Nuts in a Plastic Box (Black) 120 * Nylon Hex Spacers Screw Nuts in a Plastic Box (White)