High Hardness & Durability: Crafted with superior materials, these mandrels and nose pieces are designed for high hardness, ensuring they withstand pressure during use and provide long-lasting durability, making it a reliable addition to your toolkit. Multiple Sizes Available: This accessory kit comes in the popular size SAE 1/4-20, making it versatile for various project needs. Whether working on automotive applications or other DIY projects, these tools provide the flexibility you need. Wide Tool Compatibility: Specifically engineered to be compatible with a broad range of rivet nut tools, this 2-set pack seamlessly integrates with your existing equipment, ensuring you can continue your work without any compatibility issues., Manufacturer: Akfldms