... File is one of the oldest and simplest,yet most useful hand tool for metal finishing,when it ... as chaff cutter,blade matchets.Rasp Files:Types:Hand Wood Rasps,Half Round Wood Rasps,Round ... used for sharpening of agricultural toolsMachinist Files:Type:Hand,Flat,There Square,Square,Half Round Parallel,Half ... like Round,Half Round,Square,3 Square,Flat and Hand.The selection of the cross section depends upon ...