... L Shear420KNM.B.L Compression2000KNMaterialCasting SteelProduct Description of Semi-automatic Twist LocksA. Twistlock min. Breaking ... , mainly products: Twistlock, container lock. Seal lock, semi-automatic twistlock /dual function twistlock, bottom twistlock, dovetail ... stacker, d-ring, corner casting, flush foundation / socket, round socket base foundation, raised socket, turnbuckle, lashing rod, ...