General description Doris Direct offers a comprehensive Screws Assortment Kit containing 500 pieces of M2, M3, M4, and M5 screws and nuts made from durable carbon steel. This kit is ideal for various applications including vehicle assembly, machine tools, and civil engineering projects. Technical specifications Material Type: Carbon Steel Exterior Finish: Black Oxide Color: Black Measurement System: Metric Sizes: M3 x 8mm, 12mm, 16mm, 20mm; M4 x 8mm, 12mm, 16mm, 20mm; M5 x 8mm, 12mm, 16mm, 20mm Quantity: 500 pieces Package Content 30pcs M3 x 8mm 30pcs M3 x 12mm 30pcs M3 x 16mm 30pcs M3 x 20mm 120pcs M3 nuts 20pcs M4 x 8mm 20pcs M4 x 12mm 20pcs M4 x 16mm 20pcs M4 x 20mm 80pcs M4 nuts 15pcs M5 x 8mm 15pcs M5 x 12mm 10pcs M5 x 16mm 10pcs M5 x 20mm 50pcs M5 nuts Other information The products contain small parts; please keep them away from children to avoid accidental swallowing.