This official size 72” x 42” backboard with a three-point attachment support frame is designed for use only on direct goal mount (Center-Strut) support structures. 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 when installed on Porter Center-Strut support systems. Backboard padding is not included but is recommended for player safety. Goal mount centers 5” x 4½”.