Features:_x000D_ _x000D_ Sharp cutting-edge. _x000D_ Processed surface of iron, steel, plastic, wood, copper, aluminum and other metal materials. _x000D_ Durable and high quality. _x000D_ Widely used for bore machining. _x000D_ _x000D_ Specification:_x000D_ Shank Diameter: 3mm_x000D_ Resolution: H7_x000D_ Material: HSS Steel_x000D_ _x000D_ Note:_x000D_ Please make sure the diameter before purchasing._x000D_ _x000D_ Package included:_x000D_ 1x Machine Reamer 1With cutting?edge, the chucking machine reamer set have high cutting ability, high accuracy and clean cutting. 2Processed surface of iron, steel, plastic, woodcopper, aluminum and other metal materials. 3These straight shank reamers are made of high-speed steel, which is durable and not easy to rust. 4Widely used for bore machining, installed in drilling machine, milling machine, etc. 5Applicable for reaming to mould processing and handicraft processing.