- Material Quality : Made from high-grade carbon steel, ensuring durability and longevity for demanding applications. - Precision Sizes : Available in hole diameters of 6 mm, 6.35 mm, and 8 mm, compatible with 6 mm and 1/4 inch shank bits, providing versatility for various tasks. - Comprehensive Set Options : Choose from single units or sets of three, allowing you to customize based on your project needs. - Easy Conversion : Specifically designed for the conversion of collets and engraving machines, making it an essential tool for both hobbyists and professionals. - Practical Applications : Ideal for woodworking, metalworking, and DIY projects where precision and reliability are paramount. - User-Friendly Design : Simple to install and use, enabling quick transitions between different bits and tasks without hassle. This product stands out for its exceptional material quality, compatibility across various sizes, and practical functionality, making it a vital addition to your toolkit.