High Quality: These T-slot nuts are made of high quality aluminum alloy material, which has strength and good corrosion resistance in many environments. Size: About 30 * 23 * 7.8mm. 5 M8 T-slot nuts Sliding T-shaped nuts for wood tool slot fasteners. The size is too small to fit the machine’s hardened slot. Easy to Install: Easy to install, it is one of the most commonly used parts for aluminum profiles and other parts. T-slot nuts allow users to add fixtures to fixtures without disassembling existing fixtures. Multifunction: These fixtures can be used in many woodworking and metalworking applications for fixing, positioning and fixing of parts. Flushing pressure is applied at any position along the recessed T-shaped T-rail. Used to make jigs and fixtures for radial arm saws, workbenches, drill presses and various other machines. Wide Range of Applications: T-slot nuts allow users to add fixtures to fixtures without disassembling existing fixtures. Suitable for door handles,