Hard Tri-Fold Tonneau Covers. You kept asking, we finally folded. The manufacturers of the respected ACCESS-+ Roll-Up Tonneau Cover are proud to introduce the LOMAX(TM) Hard Tri-Fold Cover. The impeccable fit and unique design of this hard folding tonneau cover makes a powerful impression. The sleek, low profile design combined with maximum security for your truck box will exceed your expectations. Each LOMAX(TM) Hard Tri-Fold Cover is built in America with premium materials, state of the art technology and the highest caliber of workmanship. We call it LOMAX(TM), you will call it your next hard tonneau cover. LOMAX FOLDING HARD COVER Tonneau Cover for 17-22 Ford F-250/F-350 6' 8" Box (Urethane) 17-22 Ford F-250/F-350 6ft. 8in. Box (Urethane)