Drop Forged US G209 rigging shackle 1. manufacturer 2. 3/16, 1/4, 5/16 ,........2-1/2 3. Federal RR-C271DtypeIVB Drop Forged US G209 rigging shackle 1. specialized manufacturer 2. 3/16, 1/4, 5/16 ,........2-1/2 3. Federal RR-C271DtypeIVB Nominal size(inches)Working load(tons)Weight(lbs)3/161/30.061/41/20.15/163/40.193/810.317/161 1/20.381/22 0.725/83 1/41.383/44 3/42.257/86 1/23.3818 1/25.321 1/ ...