I’ve got a 65 lb pit bull who, when she sees something off yonder, takes off like a lunatic and completely ignores me calling her! Just moved to 14 acres and had to have something secure before her fenced in area is complete. This does the job! I installed it in semi-hard dirt, attached the lead and Bella, and it didn’t budge at all! When I decided to move it to another location, I used the nail remover part of a hammer to remove the spikes (it wasn’t easy, but it’s doable) and I installed it soSee full review