Feature:1. UNIVERSAL AND ACCURATE: Come with universal shank type, widely used, possess tight clamping, smooth surface, and high grinding accuracy2. DURABLE 9SICR MATERIAL: Using good quality 9SiCr overall forging, the cutter body is firm, wear resistant and durable, and adopt smooth processing3. FLEXIBLE ADJUSTMENT: Fully automatic refining process is adopted, which can be passed or stopped to meet the technical requirements of processing4. FOR VARIOUS METAL MATERIALS: Widely used in steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe and other metal materials5. 19-21MM 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 19-21mmSpecification:Item Type: Adjustable ReamerProduct Material: 9SiCrAdjustable Range: Approx. 19 ~ 21mm / 0.75 ~ 0.83inBlade Length: Approx. 64mm / 2.52inNumber of Flutes: 6 FlutesApplication Range: Widely used in steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe and other metal materials.Package List:1 x Adjustable Reamer1 x Storage BoxNote:Be careful of the of sharpness edge of the flute, be careful of children scratching