Downs Chest Pack, 5 Tray SystemDOWNS CHEST FLY BOX, FOUR TRAY, FLIES This chest fly box is a Pennsylvania style model, originally made in Williamsport, PA in the 1980s. The earliest version was produced by Fye, followed by a second version from Richardson, and a third by Jim Downs. Unlike aluminum versions that are prone to dents and crushing, the Downs box is constructed with aircraft grade composite material, ensuring durability. It features four trays, each with a lid, providing