Machined from 100% Premium Steel with a durable chrome finish , the TRIMAX T5 receiver lock offers more than 5,800 lbs of head pull strength. The 5/8" pin fits all class III, IV, and V receiver hitches and prevents false locking-lock can't just pop open. The extended 3 1/2" span fits wider Toyota, Ford, and Chevy truck Receivers. A quarter turn of the rugged tube key locks and unlocks the strongest locking pin. Plus, it boasts a water tight cap that seals out dirt and corrosion. This product ships in approximately 1 days