1、High Accuracy: Efficient, flexible, glossy, beautiful, efficient and labor saving, and fast drilling speed 2、Use Widely : Glossy face, widely used, universal handle, high grinding accuracy 3、One Step Forming: The whole one time molding, size stability sewing quenching, durable 4、Premium Material: This chucking reamer is made from premium hard alloy material, which ensures high hardness and durability 5、Wide Application: This chucking reamer is widely used in screw machines, turret lathes, drill presses and machining centers 1 x Chucking Reamer Item Type: Chucking ReamerMaterial: Hard AlloyProduct Model: 12 H8 YGBlade Diameter: Approx. 12mm / 0.5inNumber of Blades: 4Scope of Application: Applicable to Stainless Steel, Carbon Steel, Cast Iron, Die Steel, Alloy Steel, Tool Steel and Non Ferrous Metal Materials