- 100% stainless steel coupler lock and locking pin
- Easy 1/4 turn locks & unlocks head
- Can't pop open or be falsely locked
- Full length solid forged lock can't pull out
- Patented design incorporates O-ring and water-tight cap to seal out dirt and corrosion in the lock head mechanism.
- Rugged tubular key won't bend or break
- Span available in 2 1/2" or 3 1/2"