... wooden cases6. Brief introduction of file: File is one of the oldest and simplest,yet most useful hand tool for metal finishing, ... ),Farmers Own.Applications:These type of files are used for sharpening of agricultural toolsMachinist Files:Type:Hand,Flat,There Square,Square,Half ... section like Round,Half Round,Square,3 Square,Flat and Hand.The selection of the cross section depends upon the required rate ...