Carbon Steel Taper Reamer Set of 4, Length: 130mm/5.11inch, Width: 15mm/inch, Booster Bar Length: 90mm/3.54inch, Saw Drill: 6mm/0.24inch. Made of high quality carbon steel, wear-resistant, not easy to break or deform, sturdy and durable. Sharp cutting edge for precise drilling, easier to use. Universal hexagonal shank compatible with a variety of machines, easy to operate, suitable for both hand and power tools, manual operation with uniform force distribution. Ideal for reaming operations on wood, thin tin, plastic, and similar materials. Complete set with various sizes, designed for manual use and efficient performance. Note: Size measurements are taken manually and may have a slight variance. Always wear appropriate safety equipment when using this tool. Specifications: Material: Metal Color: As shown Length: 130mm/5.11inch Width: 15mm/inch Booster Bar Length: 90mm/3.54inch Saw Drill: 6mm/0.24inch Before use, inspect the crossbar for any abnormalities and ensure the cutting edge is in good condition to maintain optimal performance. Warning: Not recommended for use with lithium drills below 48V due to insufficient torque. Compatible with power tools that accept hexagonal shanks. Package Contents: 1 x Reamer Set (only the items listed above are included; other accessories are not included) Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3cm.