STAINLESS STEEL COUPLER LOCKS (TRIMAX LOCKS)
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.