[Features] The large head holds it in place firmly. The legs are split, which reduces the strain on the wood. (The 13 and 17 mm lengths have no split legs to prevent free spinning.) The screw part has serrations (notches in the threads), so you can drive it in without stress.
[Applications] For fastening metal fittings such as reinforcing metal fittings, or for preventing wooden pieces from sinking when fastening them together.
