Established consistent with the description, stable, light, and easy to assemble. The two clamping vises do not close Completion purpose; hangs a 5 cm, the other 1 cm. For tightening lax is not attached to the center. For those who have had this problem this is easily compensatable. In need deviser screws that secure the two central lax, the vice tighten up and reposition the two fixing screws. In conclusion, I am satisfied with my purchase.