This 4PCS woodworking crossing height measuring gauge set can provide you with 16 different measuring heights. They are very suitable for use with your trimmer, engraving machine, table saws and other tools to ensure the accuracy of cutting height. If you are looking for this product, come and have a try, it will not let you down. A Useful Gadget: Whether you're a professional carpenter or a novice just getting started with woodworks, this height measuring gauges is an essential gadget for you to use in your work. Portable Size: The small size of this tool is very convenient for everyday use, you can carry it in your tool bag without taking up too much storage space. Four Specifications: 1/16in + 3/32in + 5/32in +1/8in, 1/4in + 3/16in + 5/16in + 7/32in, 11/32in + 7/16in + 15/32in + 1/2in, 23/32in + 3/4in +7/8in + 1in. You can use the suitable size according to your different needs. Wide Applications: This tool can be used with your trimmer, engraving machine, table saws and other tools to ensure the accuracy of cutting height. Specifications: Material: aluminum alloy Quantity: 4PCS Item size: 63.5 * 63.5mm / 2.5 * 2.5in Package size: 137.6 * 135.5 * 33mm / 5.4 * 5.3 * 1.3in Package weight: 260g / 9.2ounce Packing list: 4 * Height Measuring Gauges