Socket to the ball catcher post. Made of 90x90x3 mm profile, hot-dip galvanized. It comes in a version with a length of 500 mm or 700 mm. In the upper part there are welded M12 nuts for the screw-tightening and adjusting the ball-catcher polst, as well as for the steel cable holder for fixing the nets. In the lower part, welded steel bar fi 12 mm or M12 screw to block the ball cachter post.