Model Panel Width Panel Thickness Width Maximum Height* Maximum Trolley Track
50 4-7/8" 1/2" 25'3" 10'1" Nylon #21
60 5-7/8" 1/2" 25'3" 10'1" Ball Bearing #21
80 7-7/8" 1/2" 25'3" 10'1" Ball Bearing #21
*Recommended maximum width and height. Hanging weight is approximately 3.0 lbs./sq.ft. of opening.