Power Rollers 4" diameter have an 1/8" aluminum wall, and is best way to  prevent wrinkling when rolling up long  backgrounds. It stays rigid, even with 20ft - 24ft full length canvas, and is heavy-duty enough to support up to 90 pounds. The Power Roller can be customized to fit any size studio, and custom cut to accommodate 14ft - 15ft wide backgrounds. Free in-store pickup (Baldwin, WI 54002)

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