Wide application: This set of 14 router table saw setup bars allows you to easily set the height as needed, can be used alone, or stacked, there are hundreds of combinations, enough to meet your different needsMaterial: These setup blocks height gauge sets are made of aluminum alloy and are designed to withstand the rigors of the workshopProduct size: Height gauge blocks include 14 different sizes: 1/16", 23/32", 3/32", 15/32", 1/8", 5/32", 7/32", 1/4", 5/16", 3/8", 3/16", 7/16", 1/2", and 3/4", accurate to within 0.002"Precision tools: These aluminum setup blocks are a must have tool for any woodworking, construction, or home DIY seeking project accuracy. They provide an effective way to ensure that you get accurate measurements every time you perform a craftFeatures: Woodworking each block of the setup 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 25 cmx19 cmx6 cm/9.84 inchx7.48 inchx2.36 inch Package Includes: 14x Woodworking Setup Blocks1x Box Note: Please allow slightly errors 1-2cm differences due to manual measurement.