Features: it does not need embedded parts, adopts the expansion screw type, and directly locks the base on the ground with screws;
Process: the surface is sprayed with super weather resistant polyester powder, suitable for all-weather environment
All built-in pure copper worm and worm wheel type tightening, anti rebound automatic locking device; the tightener is a precision worm and worm wheel rotating structure, V-shaped side bar is welded on the inner side of the ball column, and the central bearing capacity of the tennis net is more than 1000N;