... steel,and widely used in containers. ItemIndexNameSemi-automatic Twist LocksProcessCastingAppearanceHot Dip GalvanisedM.B.L Tension500KNM ... Breaking loads tension 500 kn. Dual function for manual and semi-automatic mode.B. Specializing in container ... -automatic twistlock /dual function twistlock, bottom twistlock, dovetail twistlock, welding cone, guide fitting / guide block, stacking cones, double ...