They needed to include more glue, luckily I had some from another assembly project. I bought 2 of these. The first one had  1 KD Bolt that could be installed with Phelps screwdriver since grooves were off-center so had to use a pair of plyers to turn it. One of the boards had a broken area. The other one also had a broken groove area in the drawer, hope it will last 5-10 years considering the cost. Notice once it was assembled it started to crack on the exterior. It says the files can go vertical or horizontal. Not true only the legal can do horizontal and regular files go vertical.