i lock mine and i put a 10 inch timber lock bolt thru that is hidden
i like them because there thin but it has about 1600 lbs of shear force
I use them alot building decks.I drive it in with a 18 volt driver the head is about a 5/16 th socket. i don't think you could take it out with a ratchet because of the size and length.They are case hardened and don't rust.Haven't had one stolen yet.