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  With global trade growing rapidly, sea and land transport have become essential for cargo movement. And when it comes to container transportation, a small yet powerful device—the   container twist lock —plays a key role in securing your cargo safely. What Is a Twist Lock? A  twist lock  is a mechanical locking device used to secure containers during transportation. It’s widely used on ship decks, truck chassis, and in container yards to  prevent shifting, tilting, or falling during transit . By inserting the twist lock into the container’s corner casting and rotating the locking head, the container is safely locked in place—making it an  essential part of intermodal shipping . Common Types of Twist Locks The most commonly used container twist locks can be divided into three categories: manual twist locks, semi-automatic twist locks and full-automatic twist locks. 1.  Manual Twist Lock  Advantages: Simple & Reliable:  Straightforward des...