1、Incisive Blade: The hand reamer has 6 incisive blades with high strength, ensuring efficient and stable cutting. 2、Manual Working: Use wrench to proceed the manual operation, suitable for light cutting, hole expanding and so on. 3、Great Material: Adopting high quality 9SiCr material, not easy to deform, and durable with wearing and corrosion. 4、Extensive Uses: Enables application for the accurate reaming of aluminium, cast iron, copper, plastic, wood, etc. 5、Easy to Carry: Comes with a light weight and a compact size, both the storage and carrying are very convenient. Item Type: Hand Reamer Product Material: 9SiCr Product Diameter: 1/2in Product Length: Approx. 135mm / 5.31in (there is a ±2mm error in manual measurement). Number of Blades: 6 Blade Length: Approx. 72mm / 2.83in Product Quantity: 10pcs. Scope of Application: Used for accurate reaming of aluminium, cast iron, copper, plastic, wood, etc. 10 x Hand Reamer