... Semi-Automatic Twist Locks is a mainly container lashing equipment,it is made of casting steel,and widely used in containers. ItemIndexNameSemi-automatic ... tension 500 kn. Dual function for manual and semi-automatic mode.B. Specializing in container lashing equipments ... mainly products: Twistlock, container lock. Seal lock, semi-automatic twistlock /dual function twistlock, bottom twistlock, dovetail ...