Easy installation: Easy to install. It is one of the most widely used components in aluminum profiles compared to other components. T-groove nuts allow the user to add fixtures to the fixture without tearing the existing fixture. Versatile: These clamps are useful for many wood and metal working applications to hold, position and fix jobs. Clamping pressure is applied anywhere along the T-track in the groove. Used to build fixtures and clamps for your radial arm saws, worktables, drill presses, and various other machines. Dimensions: Approximately 7.8x30x23mm / 0.31x1,18x0,91 inches. M6 / M8 T-slot nuts T-track sliding nuts used for securing woodworking tool slots. The size is too small to adapt to the hardening machine surface groove shell. These T-groove nuts are made of manganese steel material, which has excellent strength and corrosion resistance in many environments. Wide application: T-groove nuts allow users to add fixtures to fixtures without tearing existing ones. Suitable for door handle, machinery industry, easy to use, convenient connection of aluminum profiles. The package includes:10xM6 set of slide block for woodworking slot Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.