Easily installed in wooden floor or wall of van or truck interior. Square base with 4 mounting holes and recessed ring. 5000-lb. pull strength. 4 15/16in. x 4 1/2in. x 3/4in.D. Bracket Width (in.): 4 15/16 x 4 1/2 x 3/4, Breaking Strength (lbs.): 5,000