General description Made of high-quality carbon steel, this assortment kit features high strength, black treatment, increased wear resistance, and durability. The kit includes M2, M3, M4, and M5 bolts and nuts, along with suitable spacers to meet various needs. With a total of 1225 pieces, it is perfect for replacement and use, and comes in a plastic box for easy storage. Technical specifications Material: Carbon Steel Total Pieces: 1225 Specifications: M2, M3, M4, M5 bolts and nuts Wide applications These bolts and nuts are widely used in various industries including: Electronics Hardware Lighting Toys Bathroom Furniture Sports equipment Other information