Item Type: Adjustable Hand Reamer Product Material: 9SiCr Adjustable Range: Approx. 11.75 ~ 12.75mm / 0.46 ~ 0.5in Blade Length: Approx. 45mm / 1.77in Application Range: Widely used for reaming metal materials such as steel, die steel, aluminium alloy, cast iron, copper, galvanized pipe, etc. Package List 5 x Adjustable Hand Reamer Incisive blade, pay attention to protection. 1Simpler Using: From 11.75mm to 12.75mm, the hand reamer enables easy adjustment for various working needs. 2Good Material: Forged with high quality 9SiCr material, has a sturdy structure for stable work performance. 3Broad Utility: Widely applied for reaming metal materials, such as steel, die steel, aluminium alloy, etc. 4Stable Fixing: The universal handle ensures comfortable and firm holding, largely simplifies the operation. 5Easy to Carry: Designed to have a light weight and a compact size, the carrying and storage are very simple.