• 100% stainless steel coupler lock and locking pin
• Easy 1/4 turn locks & unlocks head
• Can’t pop open or be falsely locked
• Patented design incorporates O-ring and water-tight cap to seal out dirt and corrosion in the lock head mechanism
• Full length solid forged lock can’t pull out
• Rugged tubular key won’t bend or break

This lock is used on the Airstream 2020to present Demco coupler.