Features: High versatility: With metal screws is suitable for application scenarios related to woodworking projects such as home decoration and furniture production, and has good versatility. Efficient and quality work: Aluminum alloy t track can be applied with table saws, miter saws, drill presses and other tools, which can greatly improve work quality and efficiency. Specifications: Material: aluminum Color: black Size: 48 inches long, 3/4 inch wide, and 3/8 inch deep The package includes: 8 x T tracks for Woodworking Each t track is equipped with 7 screws Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.