Aquatec Tank Banger

- Makes sound signal underwater to get your diving buddy's attention.

- Made of elastic stretchy rubber that can be stretched to 2 times longer, suitable for 12-14L tank.

- Flexible loop which allows the banger to hit the tank effectively.

- Simple, reliable and long lasting, easy to use.

- Material: PVC

- Loop Perimeter: Approx. 45cm/17.72inch

- Ball: Approx. 3.3 x 3.6cm/1.30 x 1.42inch

- Colour: Black Band with Yellow Ball