Feature - Color: As shown. - Material: 304 Stainless Steel. - Screws Type: Hex Socket Head Screws - Size (Box): Approx. 17.5 * 9.8 * 2.1 cm / 6.89 * 3.86 * 0.83 in. - Premium 304 Stainless Steel Hex Socket Head Screws Nuts Kit, anti-rust, strong and water-proof for durable and long-lasting use. - Different sizes of meet different requirements. - Package Quantity: 480pcs. Hex Socket bolt and nuts - With Plastic Box for convenient access and storage. - for use in confined areas where the head needs to be flush or below the surface. - Fixing component, industrial and construction fasteners. Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry. - Tips: Products contain small parts, please keep out of the reach of children to prevent inadvertent swallowing or other potential danger. Size Amount M2*8 20pcs M2*12 20pcs M2*16 20pcs M2*20 20pcs M2 Nuts 80pcs M3*8 20pcs M3*12 20pcs M3*16 20pcs M3*20 20pcs M3 Nuts 80pcs M4*8 20pcs M4*12 20pcs M4*16 20pcs M4*20 20pcs M4 Nuts 80pcs