√Four outer hexagonal steel rods connect the guide pillar, and the pre-wire can be wound around it; easy to disassemble. Four adjustable limit top rubber to kee the vertical gap even after the column rises. The fixing screws are made of 304 stainless steel with nylon sleeve between the inner barrel and the flange for protection and durability.
√Suspension structure design, the use of gravity, the guide rail has a regulating role, when the vehicle passes, to prevent extrusion deformation four guide pillars, the force is uniform.