Check the listing for details. 200Pack M2x0.4mm(DxL) Hex Nuts Carbon Steel Zinc Plated Hexagonal Nuts Silver. Condition: New. Listed at 10.06 USD. Product Details:Color: Silver ToneMaterial: Carbon SteelScrew Size: M2x0.4mm(D*P)Width Across Flats: 4mm/0.16"Height: 1.6mm/0.063"Package Content: 200pcs x Hex NutsMaterial - Made of carbon steel material with zinc plated, these hex nuts are tough, non-rusting, non-oxidizing, and have good corrosion and heat resistance.Feature - The hex nut is designed with six sides for maximum torque and easy grip. Used with washers and bolts to prevent loosening and movement of mounting parts.Application - The hexagon nut is used for machinery industry, home furniture repair, equipment, garages, cars, metal shelves, art and craft work, etc.Install Steps - Easy to install, needs to be tightened with a wrench so that the two parts of the nut and bolt are joined together.