Brass setup bars cut from key stock in 2-1/2" lengths. Inch set includes 1/16", 1/8", 1/4", 3/8" and 1/2" bars all in 3/4" widths. Metric set includes 2mm, 3mm, 4mm, 6mm and 8mm bars all in 20mm widths. Use setup bars to eliminate measuring when setting stops. With bit zeroed on top of wood, use a bar (or combination) to set plunge depth stop on the router. With bit zeroed against face of wood, use a bar to set a stop a given distance from the face.
Provides quick and accurate method to set up for mortise, tenons and other joints