TreehouseSupplies.com's brackets are customized screw mountings, designed to accompany our TABs, 1" and 1¼" lag bolts in supporting a tree platform. All come professionally bead blasted and powder coated to ensure the longevity of your tree house project. Our brackets have been designed to support a tree house in every way imaginable. Please watch our instructional videos and contact uswith any questions if youare not sure which bracket and bolt combo to use! Click this link to see our availability of scratch and dent brackets.