frame connectors

Or do a search and build your own and save some cash.

X2. I referenced a few posts here at FABO and managed to fabricate a set for $36. Bought some 1.5"×3" tubing. Used a circular saw w metal cutting blade, a lot a measuring, trimming and test fitting. But mangaged to get them fabbed and welded in on an afternoon. Note: I have minimal experience fabbing metal pieces.

Pat