1 size:5/8'', 3/4'', 7/8'',1'', 1 1/8'' 2 Grade:D,HY,HL, ... S-87, 3 Material: 20CrMoA/Carbon Steel 4.Length:7.62-10.00m The sucker rod is a steel rod ... (in)15.88(5/8)19.05(3/4)22.23(7/8)25.40(1)28.58 (1 1/8)thead ... dia mm(in)23.81(15/16)26.99(1 1/16)30.16 ... (1 3/16)34.93(1 3/8)39.69(1 9/16)coupling dia ...