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 inserted directly into the aluminum slot hole at any mounting point. European Standard - This sliding nut for rail in T is mainly used for aluminum profiles with European standard. You can use it easily Easy to Use - T-slot sliding nut is used for T-slot aluminum profile to join other parts and connect with T-bolt or T-bolt. ‘others. Wide range of applications - T-nut, suitable for door handles, mechanical engineering, easy to use and convenient to connect aluminum profiles