Handy but a fiddly piece to put together, and yet my second rack that came with no instructions, hence the 4 stars. Comes as an unassembled kit, and with no idea of how to put it together but only using the picture on it's packaging box as a reference guide, I begun the process of construction.
I lay out and sorted all the parts and once I figured out which pieces went where, I used some clear waterproof silicon sealant in the grooves and joints then let the pieces sit until the sealant was almost set. This allowed me to fit the cross sections snugly into their positions without them falling out or the frame falling apart.
Once all the sections were fit into place, I added a little more sealant to the inside corners of the frames then left the sealant to cure.
The sealant done a remarkable job of holding this thing together and just to make sure things are permanent, I followed up with some small nails to make it more solid.
Great paint rack once put together.