Features High-Quality Brass Material: Crafted from high-quality brass, these insert nuts offer excellent resistance, ensuring long-lasting durability and preventing for reliable performance. Convenient Organization: Comes with a plastic box for organized storage, making it easy to classify and access the nuts, providing convenience and portability for various projects. Versatile Sizing: This assortment set includes different sizes of nuts to meet your diverse needs, offering flexibility and adaptability for a wide range of applications. Smooth Treatment: The knurl nuts feature a fine treatment, ensuring a smooth finish that won't cause any scratches to your hands during handling, ensuring user comfort and safety. Wide Application: Widely used in the machinery industry, these threaded brass insert nuts are suitable for various industrial and DIY projects, providing versatile and reliable fastening solutions. Specification: Condition: 100% Material: Brass Screw nuts type: M3 Weight: 143g Content: M3xm 30pcs M3x4mm 20pcs M3x5mm 20pcs M3x6mm 20pcs M3x8mm 20pcs M3x10mm 20pcs M3x12mm 20pcs Package Included: 1 x Box of M3 Knurl Insert Nuts(included 150pcs) Package List