One of the first indexable systems on the market, on-edge inserts provide three cutting edges in a rigid, capable design which has stood the test of time. Tool-Flo has an unsurpassed offering of on-edge inserts, toolholders, and bars to complete your application. Need an insert to generate an exceptionally large form? Tool-Flo stocks on-edge blanks that are 9/16" thick in a variety of grades specifically for those "impossible" type applications.