1Made of high speed steel, these reamers have high hardness and durability. 2Sharp cutting-edge, high cutting ability, high accuracy, long service life. 3Applicable for reaming to mould processing and handicraft processing. 4Widely used for bore machining, installed in drilling machine, milling machine, etc. 5Processed surface of iron, wood, copper, aluminum and other soft materials.Description:_x000D_Machine reamer is used to ream workpieces that have been drilling hole, mainly to improve the precision of hole and reduce its surface roughness. With many blades, machine reamer cuts and removes the thin layer metal on hole surface that has been processed. After the processing of a reamer, machining hole size and shape can be precise._x000D__x000D_Features:_x000D__x000D_Made of high speed steel, these reamers have high hardness and durability. _x000D_Sharp cutting-edge, high cutting ability, high accuracy, long service life. _x000D_Applicable for reaming to mould processing and handicraft processing. _x000D_Widely used for bore machining, installed in drilling machine, milling machine, etc. _x000D_Processed surface of iron, wood, copper, aluminum and other soft materials. _x000D__x000D_Specifications:_x000D_Material: High Speed Steel_x000D_Type: MT3_x000D_Reaming Shape: cone_x000D_Reamer Precision: H7_x000D_Cutting Edge: Fine and rough_x000D_Rough Reamer Length: Approx. 15.2cm / 6.0inch_x000D_Fine Reamer Length: Approx. 14.7 / 5.8inch_x000D_Blade Length: Approx. 9.6cm / 3.8inch_x000D_Weight: 630g(approx.)_x000D_Quantity: 2_x000D__x000D_Packaging Includes:_x000D_2 x Reamers _x000D__x000D_Note: _x000D__x000D_Due to the light and screen difference, the item's color may be slightly different from the pictures. _x000D_Please allow 1-3cm differences due to manual measurement. _x000D_Thank you for your kindly understanding._x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.