(2.5DF, 3DF, 3.5DF, 4DF, 3WTDF) Columbia Direct Corner Flushers have redefined angle finishing. They are built from the best materials, but above all, they are each hand ground and checked on a granite plate for perfection. Each one comes with wheels and an allen key for those who prefer not to use them. FEATURES: Precision hand ground and set 5 designs: 2.5″, 3″, 3.5″, 4″ and wide track Wheels come standard Hand made from U.S. aluminum and steel components Machined in our state of the art facility in Canada DOWNLOADS: CORNER FLUSHER SCHEMATICS 2015