Review on 🔀 Aluminum Extrusion Interior Connector in L Shape by Sean Davis

Mandatory for T-slot and V-slot corners. They are smooth, beautifully finished and do not (yet) kink. I was annoyed that the set screws weren't installed yet until I realized that there are different orientations that require setting the set screws in different directions. Experiment and you will be able to create internal, external and even sliding joints.