Features [Wide Application] This screw spacer is widely used in home and office equipment, communication equipment, ship assembly and other machinery industries. [Fasteners] A kind of fasteners, industrial and construction fasteners. [High Quality Material] Computer screws are made of high quality 304 stainless steel with high strength. [Corrosion Resistance] Fasteners have good corrosion resistance in many environments. [Easy to Carry] All parts are sorted and packed in plastic boxes, easy to carry and use. Specification: Item type: Computer screw holder set Material: 304 stainless steel Model: KB5, M2.5, M3, M3.5 Role: Widely used in home and office equipment, communications equipment, ship assembly and other machinery industries. Package List: 20 x Black Cross Countersunk Bolts KB5 X 1020 x Nickel Plated Iron Flanged Screws M3 X 610 x Copper Hexagonal Spacer Single Head M3 X 6 X 620 x Screw KM Cross Zinc Plated Black M2.5 X 620 x Cross KM Black Zinc Plated Screw M2 .5 X 820 x Black Zinc Plated KM Cross Screw M2.5 X 1210 x 304 Stainless Steel Cross Countersunk Head Screws Bolts20 x Nickel Plated Cross Head Machine Gauge Bolts 20 x Cross Belt Machine Cross Gauge Screw Bolts Black Nickel Plated 5 x Nickel Plated Knurled Head Screws M3.5 X 5 Package List 20 x Black Cross Countersunk Head Bolts KB5 X 10 20 x Iron Nickel Plated Flange Screws M3 X 6 10 x Single Head Hex Copper Standoff M3 X 6 X 6 20 x Black Zinc Plated Cross KM Screw M2.5 X 6 20 x Black Zinc Plated Cross KM Screw M2.5 X 8 20 x Black Zinc Plated Cross KM Screw M2.5 X 12 10 x 304 Stainless Steel Cross Countersunk Head Machine Screw Bolts 20 x Nickel Plated Cross Belt Machine Meter Screw Bolts 20 x Black Nickel Plated Cross Belt Machine Meter Screw Bolts 5 x nIckel Plated Thumb Screws M3.5 X 5