These fit perfectly on my Pelican cases and the Thermodyne cases for my cameras and lights. It provides a measure of security not possible since the creation of the TSA. Provides protection from opportunistic porters or airline baggage handlers looking for small, marketable, items inside.
Pros: Easy to use. Keeps the idly curious out of your stuff.
This review was written in the old system and had content requirements that are different than reviews written today.