High Quality Aluminum - These t-nuts are made of high quality aluminum alloy, aluminum alloy material has strength and good corrosion resistance. Strong compatibility - Made of extruded aluminum with 30 x 23 mm profile, 8 mm slot, can be fixed at any fixing point to be directly inserted into the aluminum oblong hole. Standard European - This T-track slip nut is mainly used for European standard aluminum extrusions. You can use it easily Easy to use - T-slot sliding nut is used for T-slot aluminum extrusion to connect other parts and connect with bolt T-shape or others. Wide range of applications - sliding block, suitable for door handles, mechanical construction, easy handling and convenient connection of aluminum profiles