Our Height adjuster allows the goal height to be adjusted from 2438mm to 3048mm (8′-0″ to 10′-0″) for use by any age group or level of play. Manually operated with the use of a crank handle. Manufactured with 51mm x 51mm (2″ x 2″) and 38mm x 38mm (1 ½” x 1 ½”) HSS tubing and a 1″ ACME rod for easy adjustment.