Our most popular basketball goal turns unused areas in parking lots, playgrounds & gyms into additional basketball courts…Portable with fiberglass backboard...Unit now has no mar wheels attached for easy "tip & wheel" convenience… Adjusts to official 10' height…Risers are 1 3/4" O.D. galvanized steel, with 40" diameter, 3/16" steel base plate…”No Mar” protective rubber rim available to protect gym floors… Additional weight required for more stability and required for outdoor use… Available in red, blue or yellow - specify...Freight shipment, 180 lbs. Note: Rubber rim not included - order separately. Note: Hole spacing for board mount is 20 1/8” horizontal and 17 1/4” vertical...Your board must fit these specifications.