Underwater Tank Banger | Signaling Device, Elastic Safety Communication Tool for

Discover the essential underwater communication tool for scuba diving enthusiasts. This tank banger-knocker is a simple yet effective device that attaches securely to your diving tank with a heavy-duty elastic band, accommodating various tank sizes. When you need to get attention underwater, just pull and release the banger against your tank to create a distinct sound that carries through water. Made with premium materials including durable ABS plastic, stainless steel components, and high-density elastic, this signaling device is built to withstand demanding underwater conditions. Perfect for alerting your dive buddy, signaling the group, or sharing exciting marine life sightings, this tool enhances diving safety and communication. The stretchy band ensures quick installation and removal, while the bright green color provides high visibility underwater. An indispensable addition to your diving gear that could make all the difference in your underwater adventures.