The wood is of decent quality and once assembled and hung on the wall the shelves look pretty good, however assembly is an absolute nightmare. 

The screws included for securing the shelves to the frame are about a quarter inch too long and will split and burst through the wood if tightened all the way. I need to go to the hardware store and acquire 1/4 inch nuts to use as spacers to avoid this flaw. On top of that the threaded inserts meant to receive the oversized screws and hold the shelf to the frame are extremely shoddy. Three of them completely pulled free of the wood during tightening and needed to be glued and clamped overnight before I could continue with assembly. The end result is a relatively attractive shelf with many small imperfections such as slightly misaligned shelves and deformed surfaces. 

If you like this design I highly recommend saving up the extra $100 and buying the Index shelf from Burrow.