ALECO Extra-Duty Ultra ImpacDors have Clear-Flex II® .275" thick primary panels—for easy viewing—sandwiched by textured, high-impact, tear-resistant, gray bumpers. Bi-parting door has a full 1/2" thick. Full length galvanized frame has 85% floor support and needs no special jamb reinforcement. Adjustable torsion spring allows easy opening and automatic closing. Easily installed and can be field trimmed 2" in height and 4" in overall width. Anchoring fasteners not included. Made in USA.