Fast and Accurate: The height of fences, blades and other knives can be easily set as needed, faster and more accurate than using a combination ruler. 8pcs in Total: There are a total of 8 woodworking blocks that can be installed stacked for a wide range of variations or sizes, or used individually for quick work and measurements. With Storage Box: Comes with a fitted storage box, so the setup blocks height gauge set will be more tightly protected during transport. Aluminum Alloy Material: Setup blocks height gauge set is made of aluminum alloy material, which is , not easy to damage, has a long service life. 5Scope of Application: Essential tools and equipment for construction, woodworking, and home DIY, and the gift option for those enthusiasts.