... Prfessional Manufacturer Size 5/8", 3/4", 7/8",1", 1-1/8" Low in Price Yantai Yunsheng Grade H sucker ... 7620/8000/9140 Yunsheng 3/4"/D 19.05 1-1/16" 7620/8000/9140 Yunsheng 7/8"/D 22 ... 3/4" 12.7 28.6 all kinds 15/16" 15.9, 19.1 31.8 all kinds 13/16 ... " 22.2 38.1 all kinds 1 3/8" 25.4, 28.6 The specification of the polished rod ... 8 13/8" all kinds 28.6 38.1 19/16" 11, 12 28.6 API 11B Grade D Sucker Rod, ...