Review on KOOTANS Decorative Accessories Connector Extrusion by Gary Haymon

Although you can see them in the picture you might not think of those little dents (I didn't). Small ones stick out at both ends of each side. It's not a problem when screwing into softwoods like spruce, but they curl up the metal (aluminum) rail instead of sitting flush so I have to sand them down. They wear off easily. Obviously they are there on purpose but I don't know what it could be.