Metal Nut: Made of metal material, sturdy and stable. The plastic nut on the market often break during use, but the all-metal nut solve this quality problem very well. They are more durable and safer than plastic materials
Brass Collet: Made of high-quality brass for wear resistance and durability. The brass collet offers a great improvement in precision and holds fine bits more firmly. It not only remains stable at high rotational speeds, but also increases working efficiency
Perfect After-Sales Service: We provide 100% satisfactory service for the products we sell. If you have any questions during use, please contact us immediately. We will solve the problem for you the first time