Scubas Diving Tanks Banger Diving Cylinder Knocker Balls Noise Maker Underwater Safety Signal Device for Communication

Enhances your underwater communication with our diving cylinder impact balls, designs to produce a loud sound, ensuring your diving partner hears you clearly. Craft from quality materials, this underwater sound balls features a 44cm string and a 36mm diameter balls, providing reliable performances during your dives. Perfect for use in various underwater occasion, whether you're diving in open water or practicing in a swimming pool, ensuring your signal is alway hear. Scubas Diving Tanks Banger Diving Cylinder Knocker Balls Noise Maker, Underwater Safety Signal Device for Communication. Features: Enhances your underwater communication with our diving cylinder impact balls, designs to produce a loud sound, ensuring your diving partner hears you clearly. Craft from quality materials, this underwater sound balls features a 44cm string and a 36mm diameter balls, providing reliable performances during your dives. Perfect for use in various underwater occasion, whether you're diving in open w