Machined from 100% forged steel with a chrome-plated finish, the Trimax SXT3 Receiver Lock offers more than 5,800 lbs of head pull strength. The 5/8" pin fits all Class III and IV receiver hitches and prevents false lockingG++lock can't just pop open. 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