... three place global sale 1.OD: 2 3/8", 2 7/8", 3 1/2", 4" ,4 1/2", 5", 5 ... .Certificates : API 5DP,NS-1 4. Length: R1: 5.3-7.9m R2: 8.5-11.5m R3:11.5-14.5m ... ,NC38, NC40, NC46, NC50, 5 1/2FHOD: 3 3/8 ~ 7 1/2 inchLPC: 3~5 inchPrimary Shoulder Torque:6875~87341 ...