Keeper 3.38in Suface Mount Anchor Point - The Keeper Surface Mount Anchor Point is designed to provide a secure anchor point for pickup trucks and trailers. Easily attach tie-downs, twine, or rope to a pickup truck or utility trailer. Features 4,000 lbs. Working load limit; 12,000 lbs. Break strength; 3-3/8 in. wire ring; .395 in. hole diameter (square); 3/8 in. bolt; Bolt or screw on; Heavy Equipment Use;