This is a Delta Unifence Saw Guide Table Saw Rip Fence Assembly for the Unisaw 422-27-012-xxxx model. The fence is designed to ensure accurate and precise cuts every time. It is made of high-quality materials and is in excellent working condition. The fence is compatible with Delta brand table saws and has a blade diameter of 10 inches. It comes with a number of items in the set including the fence itself, mounting hardware. This type of table saw is perfect for home and workshop projects, and is a great addition to any DIY enthusiast’s tool collection.