Technical Specifications Length : 28 inches Outside Diameter : 8-1/4 inches Casing Diameter : 9-5/8 inches (40–43.5 lbs/ft) Connection Size : 4-1/2 inches Connection Type : 8RD EUE (External Upset End) Top Connection : 4-1/2 inches (Box) Bottom Connection : 4-1/2 inches (Pin) Maximum Torque : 4,000–5,000 lb-ft Packaging Requirements : Must be transported in wooden crates Threads protected with anti-corrosion grease and thread locker Manufacturing Standards : API 5CT & API 14A