I will not use that type of plug! I had a boat that had that, I used it as a spare in the glove box. I used a t-handle one in the transom instead. When I sold the boat, I told the guy that IF he uses the flip one make sure the handle is flipped up. He did not listen. While under way the handle was down. and the force of the water flipped it open and gone.... When he docked it sank, and I never saw the boat again....
