The CMT Multi-Purpose Digital Height Gauge is a precision tool designed for accurate measurements of router bits, saw blades, band saw blades, cutter heads, drill bits, and hole depths. Featuring both Metric and Imperial scales, a locking screw, and an easy-to-read digital display, this gauge ensures quick and reliable results. It allows for both horizontal and vertical measurements and is self-standing with magnets, making it perfect for setting cutting depths on router tables and low-profile backfence adjustments. With its versatile functionality this height gauge is a must-have for any woodworking or metalworking project.