This is the XS Scuba QuikVu Retractable Compass Features: Attach to diver with snap hook or split ring Large gun sight style viewing window allows for easy and accurate navigation Strong magnets guarantee accuracy and quick response time Large, secure 360Adeg ratcheting bezel Compass has a luminescent dial resting on a precision sapphire jewel Reads accurately over a large tilt range Enhance your diving experience with the XS Scuba QuikVu Retractable NH Compass. With a large viewing window, secure 360Adeg bezel, and accurate readings over a wide range of tilts, this compass guarantees precision and efficiency. Attaching easily with a snap hook or split ring, you can trust in its strong magnets for a quick response time.