PLEASE NOTE: THIS ITEM CANNOT SHIP VIA 3-DAY DELIVERY.Use with 6" wide sections onlyAll steel rack with Delrin roller bearingsSupports up to 2800 lb.Six 8" diameter non-marring wheels for easy rolling (2 with locks)Leg extenders for increased stabilityStorage bins on the end to hold accessoriesIncludes 2 hand cranks for winding, 3 fabric clips per roller, and instructions2.5" diam., 14 gauge steel rollers with locks to prevent accidental unwinding34"W x 12"6"L x 67"H Virtually tip resistant