This Bison size court conversion glass backboard features a durable steel frame structure built identically to the full size board. Easily replaces any existing fan backboard, this board is a perfect addition to your game accessories. * Built identical to the Bison full-size conversion board (5155XXXX) but 54 in. x 42 in. size makes it the most affordable glass option available. Just remove any existing fan backboard and bolt up this board for low-cost conversion from steel fan to rectangular glass. 135 lbs.