Porter Pro-Strut Conversion Glass Backboard No additional support structure or hardware is needed to replace a standard fan shaped backboard with this official size 72” x 42” rectangular glass backboard. The two vertical struts with fan shaped backboard mounting centers include all the necessary hardware. Brushed aluminum extrusions secure ½” thick fully tempered glass to the unitized steel frame. Official white border and target area are fired into the glass. Limited lifetime warranty. Backboard padding is not included but is recommended for player safety.