IMPORTANT: This Product does not come with wire decks. Decks are NOT included. Customer is responsible for providing adequate deck material. MonsterRax recommends 3/8” thick plywood. IMPORTANT: This Product is composed of TWO separate 4’x4’ Overhead Racks that equate to the standard 4’x8’ when installed side-by-side. Adjustable Drop Down! 18-33″ Adjustable Drop down! Adjust your racks to suit your needs! Pack 24 Range – 18-33″ Total Height Adjustment. 250 lb capacity PER 4’x4’ when using 3/8” thick plywood. 500 lb TOTAL capacity when using both 4’x4’ Racks. Plywood decks allow moving boxes and storing small items to become hassle-free when compared to steel wire deck alternatives.