Just installed my New Cargo Carrier. Finding the right size for me was a bit difficult. After searching I found the Fivestar Mfg. 524ACC available at Uhaul.com. The inside dimensions are 23 5/8 x 59 3/4. It is the only 100% aluminum cargo carrier that I could find and it is American Made in Crane, Missouri. Most carriers I found were smaller, had a steel shaft and were imports. The cost was approx $150 delivered.