Drawing silver gray No. 8, made of aluminum magnesium alloy material, mainly bears the tensile force on the alloy wire. The international standard length is 92CM, the outer diameter is 32mm, and the wall thickness is 3.0mm. The terminal rod is connected to the flexible universal base and terminal rod fittings through through through screws, and the base is fixed to the wall through expansion screws. Install one terminal pole every 50 meters.