... steel,and widely used in containers. ItemIndexNameSemi-automatic Twist LocksProcessCastingAppearanceHot Dip GalvanisedM.B.L Tension500KNM.B ... mainly products: Twistlock, container lock. Seal lock, semi-automatic twistlock /dual function twistlock, bottom twistlock, dovetail twistlock, ... raised socket, turnbuckle, lashing rod, , extension rod, storage bin, flat rack.D. Roro ship: Flush lashpots, d-ring ...