Review on Extra Large Threaded Stainless Screws with Washers by Walter Day

It was the craziest thing ever. It seems that "unscrewing" a bunch of nuts and bolts is impossible. But these didn't fit. It was almost like a mixed thread of the US with the closest metric threat. He will turn around twice and then grab. Too cheap to bear the hassle of returning, but it delayed and annoyed a project I was working on. don't take it!