This will replace the latch on your GoPro Hero 3 case. This is the top latch that holds the two halves of the case together. Mine broke, so I designed my own and it works like a charm.
This product and/or service is not affiliated with, endorsed by or in any way associated with GoPro Inc. or its products and services. GoPro, HERO and their respective logos are trademarks or registered trademarks of GoPro, Inc.