Review on 📦 Poly Triangle Trailer Box by Dee Zee - DZ91717P by Russ Charmin

I use this to add weight to my trailer and add 200 pounds of weight to the box. It looks very waterproof. I'm 230 pounds, standing on him and he sagged just a little in the middle. The sidewalls held up my weight perfectly. Then I started assembling the box. I drilled through the frame as needed and started using my head to drive the included screw into the frame. Well the bolt broke in the frame so I had to drill it out and get new bolts. The definition of insanity is doing the same thing over and over again expecting a different result. So save yourself time/hassle and just buy lock nut bolts to attach them to the frame. I wouldn't use these bolts/screws if I were you as these bolts are not even $0.01 each. You'll thank me later! I also love the box trailer. I put a cement board between the trailer box and the frame to give it a little more stability when it's been exposed to the sun and may have become brittle. I just did that as a precaution.