We have used several anchors in previous years, none that would stay in the sand all day. Went with a friend to Oak Island NC and this was her brand of anchor. Loved it, had to have one before our next beach vacation.
Put it to the test as we were in Surfside Beach SC right before hurricane Dorian arrived. Our vacation was cut short, but with all the extra winds, our umbrella never came out of the sand. Now to find a good wooden pole umbrella.