Whether you’re working on a table saw, router table, or shaper, setting your tool to the precise height necessary is absolutely essential. The exclusive three-gauge design of the Precision Setup Bars makes them perfect for a wide variety of applications. The concave step on the bottom of each setup bar straddles your router bit or saw blade to allow for precise height adjustment. The step on the top edge of each setup bar acts as a gauge to test the depth of your completed cuts. The step on the end of each setup bar can be used to set the distance from a tablesaw blade to the fence, or a router bit to the fence