WAG WAY / BIRD EYE , WAG WAY THUMBS HAVE STRESS PROOF SHAFTS, 180,000 LB TENSIL STRENGTH STEEL, 1 WAG WAY THUMBS HAVE STRESS PROOF SHAFTS, 180,000 LB TENSIL STRENGTH STEEL, 1 PIECE UNIT FOR EASY INSTALLATION, EASILY ADJUSTABLE THREE POSITION STIFF LEG