Wide application: This set of 15 setup blocks gauge sets makes it easy for you to set the height of fences and cutting machines as needed, which is faster and more accurate than using a combination rulerMaterial: These setup blocks height gauge sets are made of premium aluminum alloy and are designed to withstand the rigors of the workshopProduct size: Woodworking setup bars include 15 different sizes to meet your various needs: 1/2", 1/16", 23/32", 3/32", 1/8", 5/32", 3/4", 3/16", 7/32", 1/4", 7/16", 5/16", 3/8", 15/32", 1x2x3"Precision tools: These aluminum setup blocks are a must have tool for any woodworking, construction, or home DIY who seeks accuracy in their projects. They provide an effective way to ensure accurate measurements every time you perform a craftFeatures: The height gauge of each block has easy to read engraved markings, allowing for quick and accurate reading of measurements. It also comes with a storage box for easy storage and carrying, making it a practical table saw accessory Specification: Material: Aluminum alloy Size Chart: Packing size 22 cmx16 cmx4 cm/8.66 inchx6.30 inchx1.57 inch Package Includes: 15x Woodworking Setup Blocks1x Box Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.