Abstract: A safety cap for a tie of the type employing a tie strap and a tie head where the tie strap extends through a passageway in the tie head. The cap includes a hollow body having flanges across an open side thereof to retain a tie head within the cavity. The ribs are provided along two opposite sidewalls. In the other opposite sidewalls, two ribs extend inwardly to form a tighter fit for the tie head. These ribs define lines of contact which are displaced to either side of a tie head with one lying in a horizontal plane and the other lying in a vertical plane.