Casing and tubing heads Belled nipple Drilling Flange Hybrid model R7 and R11 Model 75 Model 92 Model 612 Model 613 Model A-7 Model CE Model CJ Model ECA Model GT-6 Model HB Model HFC Model HHS Model HW Model K Model MLE Model MSR Model R Model S Model SW Model X Tubing adapters B5, B1 and B2-P