I have been putting off the project of removing two very large but rusty lanterns on the outside of our house; mainly because I couldn't find a safe way to put a ladder on my steep staircase. As soon as I saw this product, I knew it was the answer. Yes, you are going to have to cut your ladder feet to fit in the slot. They say 4" but actually 4-3/4" will fit. Very simple to set up; can move up and down the staircase for best access and 'reversible' so was able to remove the other light on the ot