Heavy Duty Tie Down D-Ring 12,240 lb. Capacity Tiedowns 6 Pack 12,240 lb. rating (straight pull). WLL is 4,080 lb. capacity*. Also available with hardware - please search 12,240 hardware. The surface mount steel attachment is zinc coated to inhibit corrosion. The 1/2" diameter ring measures 3-1/4" wide x 3-1/2" long. The "top cap" is 1/4" thick. It measures 1-1/2" wide x 3-1/2" long, with 1/2" holes on 1-1/2" center.