Champion Sports Sock Style Screen 80 x 80 screen with a 54 sock for collecting batted and thrown balls. Sock opens to dump balls out, built from 1 1/2 steel tube frame. PE net built-in strike zone. Assembly required. 80? x 80? screen with a 54? sock for collecting batted and thrown balls. Sock opens to dump balls out, built from 1 1/2? steel tube frame. PE net built-in strike zone. Assembly required.