Grade 100 Alloy Chain Grade 100 Blue Chain Manufactured to NACM(Standard Link) Specifications Size inWorking Load Limit lbsMaterial Diameter inInside Length inInside Width inWeight Per 100 ft LBS. 7/322,7000.2180.680.3144 9/324,3000.2750.680.4177 3/88,8000.3971.220.57151 1/215,0000.5201.560.75266 5/822,6000.6301.930.92360 3/435,3000.7872.391.07580