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