For sale is a Group of (4) Eye Bolts for Heavy Machinery Rigging, etc. 4" Diameter eye. Eye is made from 1" round steel. 1-1/8" Diameter X 7 TPI Bolt. NOTE: These Eye-Bolts are believed to all be of USA origin. It is difficult to read in the photo's, but two are marked "Drop Forged in the USA." 17 Pounds approximate net weight.