1、Multifunctional: This height gauge is versatile, and allows for outer scale height measurements and inner scale depth measurements. 2、Depth Measuring Function: This height gauge can observe the internal scale of the gauge, which can realize the depth measuring function, and it is convenient to adjust the saw table. 3、Hollow Design: This height gauge features a hollow design, the hollow back reduces weight and increases grip. 4、Excellent Aluminum Alloy Material: This height gauge is made of excellent aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged, and has a long applicable life. 5、Wide Application: This height gauge has a wide range of applications and can be used for woodworking height measuring tools, miter heights, saw blade heights and more.