Usage Tips:High speed steel tools are good for most general applications, offering a combination of hardness and toughness for wear resistance Uncoated tools only work at the substrate of base without additional processing or coatings and are suitable for a wide range of applications. The reamer is 6 flute with a T-handle and includes handles for extra leverage to help keep holes round. Made of hardened carbon steel and ground steel. These steel reamers properly feature the holes for bridge pins or flocks. 1. If you have any problems with the goods, please contact us before leaving negative feedback. We will try our best to deal with the problem and give you a satisfactory solution. 2. We depend on our customer satisfaction to succeed. That's why your feedback is extremely important to us. 3. If you are satisfied with our items, please leave us positive feedback. 4. Please feel free to send your questions, product inquiries to us. We will respond to you within one working day. 5. We are looking forward to hearing your mail.The catalog will be sent to you if you need. Features: Use: wood drilling DIY supplies : Woodworking Model Number: 3-13mm Bridge Paint Brush Hand Held Taper Handle Type: Core Drill Bit Material: Steel Color: as the picture shown Quantity: 1 pc