Dualoai Depth Gauge Accurate Layout Measuring Tool for Table Saw Router Construction.Designed with a smooth surface non of burrs and clear markings, this tool ensures quick and easy reading of measurementsThe height scale board facilitates fast and accurate measurements every time you use itIdeal for use in home projects, woodworking, and DIY tasks, this height gauge is suitable for a wide range of measurement and inspection needsMade from lightweight aluminum alloy, this depth gauge is resistant to deformation even with long term useEquipped with a metric scale that measures heights from 3 to 26 millimeters, offering practical utility for various tasksWoodworking Height Gauge Depth Gauge Accurate. Aluminum Alloy Height Gauge Depth Measuring Ruler. Height Gauge Measuring Instrument Professional. Carpentry Woodworking DIY Height Measurement Tool. For Table Saw Router Drill Press Sturdy.