The Junior Jammer, is designed to convert your regulation height goal to lower heights for younger players, Fits all breakaway and stationary goals, Attaches to indoor and outdoor goals quickly and easily, Heavy duty hand knobs secure Mini Goal to existing goal, Lowers rim to official youth height of 8" 6"" and moves goal 2" closer to foul line, Includes full size backboard, The JJ 5 Adjustable Junior Jammer is similar to the JJ1, but it can be adjusted up to 5 different fixed heights, SKU: GSPRT089