Usage Tips:Exquisite quality: This product is made of high-quality 304 stainless steel, rust-proof and - Complete configuration: There are eight different lengths to use Convenience: The packaging is intact, sorted in a resealable transparent plastic box, which is easy to carry and store. Thread specification: M3 Wide range of applications: widely used in household and office equipment, communication equipment, ship assembly and other machinery industries Category: Machine Screw type: round Geometry: one point welding nail Function: hand screw Colour:silver Material:304 stainless steel Size:Screw diameter: 3 (mm) weight: 142.8g Package Contents: 20 x M3 x 6 Screw 20 x M3 x 8 Screw 20 x M3 x 10 Screw 20 x M3 x 12 Screw 20 x M3 x 16 Screw 20 x M3 x 20 Screw 20 x M3 x 25 Screw 20 x M3 x 30 Screw Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.