Well, in general, I like the product. But I don't think the four small screws they sent about an inch long will actually support the weight of a 50 pound tire and rim screwed into the plywood side of a trailer for a very long period of time, that is just my opinion as a welder. who builds trailers and works as a carpenter. But two bolts in that 3/4" plywood and backing plates. As well as the two bolts, they obviously did their job well too, the spare tires hanging off the right side of theโฆ