Made of 304 stainless steel for corrosion resistance Different Size of M2 M3 M4 Drive Type: Hex Socket. Head Style: Cup Head With a plastic storage case for quick access and protection Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry #D# Description: M2 x 20mm 20pcs M2 x 16mm 20pcs M2 x 12mm 20pcs M2 x 8mm 20pcs M2 Nuts 80pcs M3 x 20mm 20pcs M3 x 16mm 20pcs M3 x 12mm 20pcs M3 x 8mm 20pcs M3 Nuts 80pcs M4 x 20mm 20pcs M4 x 16mm 20pcs M4 x 12mm 20pcs M4 x 8mm 20pcs M4 Nuts 80pcs Package Includes: 480 * Hex Socket bolt and nuts 1 * Plastic Organizer Box
