http://tinyurl.com/ofsb3ps
SeaSense Bowith Stern Eye Stainless Steel (1/2-Inch)
A = 5-1/4" B = 1-7/8" C = 2-9/16" D = 3-9/16" E = 1/2"
Work Load: 6000 lbs.
Not for lifting or towing humans.