Attributes: * Cutting Diameter: 2mm / 0.08"; 3mm / 0.12"; 4mm / 0.16"; 5mm / 0.2"; 6mm / 0.24"; 7mm / 0.28"; 8mm / 0.31"; 9mm / 0.35"* Flute Length: 15mm / 0.59"; 17mm / 0.67"; 17mm / 0.67"; 23mm / 0.91"; 26mm / 1.02"; 32mm / 1.26"; 34mm / 1.34"* Overall Length: 50mm / 1.97"; 60mm / 2.36"; 73mm / 2.87"; 83mm / 3.27"; 91mm / 3.58"; 103mm / 4.06"; 110mm / 4.33"; 120mm / 4.72"; 125mm / 4.92"Shank Diameter: 2mm / 0.08"; 3mm / 0.12"; 4mm / 0.16"; 5mm / 0.2"; 6mm / 0.24"; 7mm / 0.28"; 8mm / 0.31"; 9mm / 0.35"; 10mm / 0.39"What Is Included:* 9-Pieces x Chucking ReamersApplications & Features: --- Straight shank chucking reamers are designed for accurate reaming in various materials, including stainless steel, aluminum, cast iron, copper, alloy steel, die steel, tool steel, plastic, and wood.--- Equipped with a straight flute design, these tools allow chips to collect in the flutes during operation.Useful Tips:--- The chucking reamers can cut and remove the thin layer of metal on the surface of processed holes.