Machinists File Material Applications Aluminum Brass Bronze Steel Tin File Coarseness Bastard Cut File Style American Pattern File File Type Machinists File Profile Shape Half Round Face Cut Style Double-Cut Edge Cut Style Single File Length without Tang 8 in Thickness 7/32 in File Diameter 3/4 in File Width 3/4 in Number of Cut Edges 2 Rigidity Rigid Teeth per Inch 21 File Body Finish Black Oxide Container Type Box