The average woodworker uses many different gauges and measuring tools in the workshop. The Nova Workshop Gauge combines 10 different, commonly used gauges into ONE efficient device. Dovetail Gauge: A fast and easy way to check a dovetail recess for the proper fit for chuck jaws, it's a perfect companion for your NOVA chuck. Diameter Gauge: Effortlessly determine the different diameter size in a workpiece. Ideal for sizing beads. Center Finder: Simple and accurate way for finding the center on your workpiece. Dowel Gauge: Dowelling can turn dicey when the dowels don't measure up! This gauge helps prevent that from happening. Bowl Chisel Gauge: Handy tool checks different angles for bowl chisels. Angle Checker: Checks cutting angles of chisels, knives, blades, and scissors. This gauge also functions as: A furniture dovetail marking tool; Ruler scale; Protractor; Faceplate marking tool.