Features: Drill straight plugs, pins, and tension can reach up to 3inches (approximately 7.6cm) in length, including 10MM, 12MM, 14mm, 16MM, 18mm, inner hole diameter cutters. The 1.27cm cylindrical handle is compatible for most drilling rigs on the market. Protective suitcases can be easily stored between use, making them perfect for furniture, cabinets, and woodworking. Crafted from hardened high carbon steel, these durable and long lasting drill press bits are designed for precise and reliability. The machined alloy steel construction ensures exceptional performances. Fit for furniture makers, cabinet builders, and woodworking enthusiasts, this versatile set of drill bits is a must have tool for creating seamless connections and joints. Whether you're working on a DIY project or a professional woodworking task, the Tenon and Deep Plug Cutter Bits are perfect for creating strong and secure connections in various woodworking applications. Improve your woodworking game with the Tenon and Deep Plug Cutter Drill Bit Set. Specifications: Material:High Carbon Steel Diameter. 8-40mm, Length: 140mm-160mm, Package Includes: 5xTenon and Deep Plug Cutter Bits note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.