170 Pieces M3 Stainless Steel Button Head Hex Socket Screw & Hex Nuts Kit with Plastic Box

Description: 170Pcs M4 Stainless Steel Button Head Hex Socket Screw and Hex Nuts. Made of 304 stainless steel for durability and great corrosion resistance. Environment-friendly, no pollution, high hardness. Many length choice in one set meet daily basic needs Stored in a plastic case, easy to carry. Specification: M4 x 6mm 20pcs M4 x 8mm 20pcs M4 x 12mm 20pcs M4 x 16mm 20pcs M4 x 20mm 20pcs M4 x 25mm 20pcs M4 Hex Nut 50pcs Box Size: 130*67*22cm/5.11*2.63*0.86inch Package Includes: 1 Set M4 Screws and Nuts