Features TIGHT AND ACCURATE: Come with universal shank type, widely used, possess tight clamping, smooth surface, and high grinding accuracy DURABLE 9SICR MATERIAL: Adopt good quality 9SiCr overall forging, the cutter body is firm, wear resistant and durable, and adopt smooth processing FLEXIBLE ADJUSTMENT: Fully automatic refining process is adopted, which can be passed or stopped to meet the technical requirements of processing, very flexible FOR VARIOUS METAL MATERIALS: Adjustable reamer is widely used in steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe and other metal materials 21‑23MM ADJUSTABLE RANGE: Equipped with a storage box, easy to store and carry. There are a total of 6 flutes on the reamer, adjustable range from 21-23mm 1. TIGHT AND ACCURATE: Come with universal shank type, widely used, possess tight clamping, smooth surface, and high grinding accuracy 2. DURABLE 9SICR MATERIAL: Adopt good quality 9SiCr overall forging, the cutter body is firm, wear resistant and durable, and adopt smooth processing 3. FLEXIBLE ADJUSTMENT: Fully automatic refining process is adopted, which can be passed or stopped to meet the technical requirements of processing, very flexible 4. FOR VARIOUS METAL MATERIALS: Adjustable reamer is widely used in steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe and other metal materials 5. 21‑23MM ADJUSTABLE RANGE: Equipped with a storage box, easy to store and carry. There are a total of 6 flutes on the reamer, adjustable range from 21-23mm Spec: Item Type: Adjustable Reamer Product Material: 9SiCr Adjustable Range: Approx. 21 ~ 23mm / 0.83 ~ 0.91in Cutting Diameter: Approx. 21.5mm / 0.85in Tool Slot Length: Approx. 69mm / 2.72in Number of Flutes: 6 Flutes Application Range: Widely used in steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe and other metal materials packing list: 1 x Adjustable Reamer 1 x Storage Box Package List 1 x Adjustable Reamer 1 x Storage Box