This pipe/ladder rack is off of a 2018 Ford F150 with a 6 1/2 foot bed. The inside width at the front is 62 1/2 inches the inside width at the back is 62 inches. The overall length is 72 inches. This rack is designed with a Cabover protection and has four ratchet straps in good condition. This rack is designed to be used with or without a topper. I also have a topper that goes along with this if interested.