Feature: 1. Widely used in home and office equipment, communication equipment, ship assembly and other machinery industries. 2. Fastening components, industrial and construction fasteners. 3. Made of high quality 304 stainless steel material, high strength. 4. Good corrosion resistance in many environments. 5. All parts are sorted and packed in a plastic case, convenient to carry and use. Specification: Item Type: Computer Screws & Standoffs Set Material: 304 stainless steel Model: KB5, M2.5, M3, M3.5 Role: Widely used in home and office equipment, communication equipment, ship assembly and other machinery industries.. Package List: 20 x Black Cross Countersunk Head Bolts KB5 X 1020 x Iron Nickel Plated Flange Screws M3 X 610 x Single Head Hex Copper Standoff M3 X 6 X 620 x Black Zinc Plated Cross KM Screw M2.5 X 620 x Black Zinc Plated Cross KM Screw M2.5 X 820 x Black Zinc Plated Cross KM Screw M2.5 X 1210 x 304 Stainless Steel Cross Countersunk Head Machine Screw Bolts20 x Nickel Plated Cross Belt Machine Meter Screw Bolts20 x Black Nickel Plated Cross Belt Machine Meter Screw Bolts5 x nIckel Plated Thumb Screws M3.5 X 5