We bought 140 feet of the 8" edges. They are excellent, really sturdy, and beautiful looking. They are not easy to install, because they are also really well built. It was easier to do when I wet the soil. It was quite easy to install with areas of mulch, but more difficult into grass. I used a rubber mallet and a scrap of 2x4. If you use just a mallet, you will destroy it (as I did with the 2x4) because these are dense and strong pieces. They are rusting already, which is the desired effect and intended goal. I cannot be happier with how they look, the quality of the material, and the moderately easy install with so thought and sweat. I definitely recommend this product!