Profile: Prime-Line Products Co., Inc. offers window and door replacement hardware products. Our products include door handles, latches, rollers, locks/keepers & accessories, storm window & door panel, dcrawers & cabinets and sash windows. Retractable screens are manufactured with a durable, lightweight aluminum housing that protects the screen cloth when not in use. Within the housing, the clear view retractable screen is anchored to an aluminum tube and tension control device. Clear view's patented safe-glide Speed Reducer™ insures our doors will retract fully without danger of trapped fingers or a slamming return.