The Duel door lends a modern look to any bathroom with its square hardware accents and gorgeous frame finishes. It has two sliding panels – the frame is 55 ½ in. high and the glass extends to 57 ½ in. The Duel doors feature the innovative MAAX Ball Bearing Roller System, which allows for effortless and smooth use. The Roller Adjustment System makes this door ideal for out-of-plum walls; it will facilitated installation with the ¼ in. of vertical adjustment.