This spare tire mount attaches to the trailer and features steel plate construction and a security locking hole for added security! An essential accessory for long road trips. This carrier fits a variety of wheels.
harbor freight trailer - Google Search
Bolt-together fiberglass Jeep-tub trailer kit - Page 6 - Expedition Portal
Here's a 4x6. It started as an HF 94564 1720-lb. capacity 4x8, modified down to 4x6
Click image for larger version Name: Jeep Trailer 22.JPG Views: 945 Size: 126.2 KB ID: 41398
Jeep Trailer 21.JPG; 640 x 480 (@100%)
My homemade press brake, had it bending 10mm plate 40mm wide no problem so far. Going to make a bigger one when I've got more than a spare morning