Tired of having to submerge your Computer in water so you can see through the gauge protector? Once your gauge protector gets scuffed and scratched enough that you can hardy read your computer on the surface between dives, it's time to replace it. The Gauge Protector is designed to protect your dive gauge from scratches and abrasions. Its Plastic Protective Lens is optically clear and easily installs over your CRESSI Leonardo Dive Computer.