They fail to mention you need a powerful impact drill to install this.. the bit included in the kit is basically useless. We rented an impact drill at local hardware store for about $20, but was still hard to drill. Also did not line up great because impact drill thru off the marks we made. Measure before drill every hole!!!If you don't have experience drilling concrete be warned! It can be done, but not nearly as easily as expected!! LolOnce the holes were done, install easy. Sturdy, good length for what we needed.