ITEM NAME:270x M2 Brass PCB Spacer Standoff Screw Nut Assortment Threaded Set Description: Made of high quality stainless steel, corrosion resistant and durable for a long time use Easy to install and durable to use These screws and nuts will be great replacement for industrial and construction fasteners. Used widely in the home, office, school, , garden, bicycle, motorcycle, automobile, workshop, electric equipment, ship assembly and other machinery industry. All of screws will be packed in a sturdy plastic box, can be use for a storage box. Specification: Material: brass + steel Thread: M2 Thread pitch: 0.4mm Color: yellow Box size: 125 x 62 x 23mm/4.9" x 2.4" x 0.9"(L x W x H) 270pcs assortment kit list: Nuts: M2, 90pcs Screws: M2 x 4mm, 90pcs Male-Female: M2, 3mm+3mm, 10pcs Male-Female: M2, 5mm+3mm, 10pcs Male-Female: M2, 8mm+3mm, 10pcs Male-Female: M2, 10mm+3mm, 10pcs Male-Female: M2, 12mm+3mm, 10pcs Male-Female: M2, 15mm+3mm, 10pcs Male-Female: M2, 18mm+3mm, 10pcs Male-Female: M2, 20mm+3mm, 10pcs Male-Female: M2, 25mm+3mm, 10pcs Package Includes: 1 Set Screw Assortment Kit Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. Instruction is not included.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you..Thread: M2. Nuts: M2, 90pcs. Screws: M2 x 4mm, 90pcs. Male-Female: M2, 3mm+3mm, 10pcs. Male-Female: M2, 5mm+3mm, 10pcs. Male-Female: M2, 8mm+3mm, 10pcs. Male-Female: M2, 10mm+3mm, 10pcs. Male-Female: M2, 12mm+3mm, 10pcs.