This Extended Receiver Lock has a plated 5/8" machine-hardened steel pin and an internal O-ring and cap that prevents corrosion and seals out debris. It has test specifications that exceed 32,000 lb, a 4-3/8" span, and fits Class V hitches.
TRIMAX PREMIUM 5/8"Dia. X 4 3/8" Key Receiver Lock
TRIMAX PREMIUM 5/8"Dia. X 4 3/8" Key Receiver Lock