Features：
Excellent Hardness and Toughness — Made of high - quality stainless steel 9CRSi, it has strong hardness and toughness.
Flexible and Adjustable — The hand reamer tool is flexibly adjustable, which is very convenient to use and a great helper for your work.
High Precision — The reamer has an accuracy of H8 level. It features high precision and stability, enabling highly accurate and consistent hole diameter machining. It is very suitable for various professional and DIY metalworking projects.
Square End Design — It is easy to be efficiently matched with tools such as wrenches. The stable force - bearing surface can provide greater torque transmission. It is compatible with adjustable wrenches and straight - handle tap wrenches, allowing you to manually turn the reamer.

Wide Application：
It is specifically designed for use with CNC machines, drilling machines, and CNC drilling and milling machines. It is a versatile milling and cutting tool suitable for A6 steel, alloy steel, aluminum, cast iron, cast steel, and other metallic materials.