Brass set up bars cut from key stock in 2-1/2" lengths. Inch set includes 1/8", 13/16", 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.
They provide a quick and accurate method to set up for mortise, tenons, and other joints.