The Crescent Nicholson pillar files is a Swiss pattern file with cuts ranging from 00 to 4. These are made to be a more exact measurements than American pattern files. Pillar files are rectangular in shape and are double cut on two sides. They feature safe edges and are tapered in thickness. Similar in shape to hand files, but only 2/3 as wide. FeaturesSwiss pattern files, made to more exacting measurements than American Pattern FilesRectangular shapeDouble cut on two sides onlySafe edgesTapered in thickness