Features: 1. Every product has a unique Manufacturing Part Number label on the inner package that verifies qualification, including Part Number, Model Number, and inspection date information. 2. If you have any questions about the item, please provide the Manufacturing Part Number for verification; your satisfaction is guaranteed. 3. Made of HSS material with an adjustable range. 4. Suitable for use on A3 steel, alloy steel, cast iron, cast steel, aluminum, and other metal materials. 5. Functions: The reamer features one or more slitting teeth designed to remove a thin layer of metal from pre-drilled holes through rotational cutting. It helps achieve precise dimensions and improved surface finish after hole machining. 6. Applications: Reamers are used to enlarge and finish pre-drilled (or bored) holes, primarily to improve hole accuracy and reduce surface roughness. Ideal for semi-finishing and finishing operations on slotted holes. Specification: Color: Silver and Black Reamer Material: HSS Adjustment Range: 29.5–33.5 mm Dimensions: 270 x 2.9 mm / 10.63 x 0.11 inch (L x Dia) Weight: 871 g Package Includes: 1 x Hand Reamer