Specifications: Made of high quality material, it has high efficiency and long service life. With this convenient tool, you can make all sliding jig and fixture on router table, table saw and band saw. Featuring excellent corrosion resistance, it is easy to install and durable to use. Item Name: T-track Miter Slot Material: Aluminum Alloy Surface Treatment: Anodic Oxidation Specifications: 100mm, 200mm, 300mm, 400mm, 500mm Features: Portable, Durable, Woodworking Tool Slot Size: 30mm x 12mm/1.18" x 0.47", Inner Diameter: 23.95mm/0.94", Slot Opening: 19.3mm/0.76", Inner Diameter Height: 4.8mm/0.19" (Approx.) Notes: You will find more amazing products if you visit our store. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package Includes: 1 x T-track Miter Slot