AquaLung Weight Pockets – SureLock II The SureLock AquaLung weight pockets are offered in 3 sizes. You must select the size that matches the original SureLock pockets that came with your BC. The SureLock Mechanical Weight Release System (patented) – provides a safe, single-pull release. Inserting weight is as simple as insert and “click”. With SureLock, your weights are secure in the BC. Once engaged, the only way to release the weight is to pull on the handle. The AquaLung SureLock II run a rail system that allows for the pocket to slide into the BCD easier. They have three sizes, 10lb for X Small to Medium and 15lbs, and 16lbs are only suitable in AquaLung BCD sizes Large or bigger.
