The simplest and most reliable attention getter for scuba diving is the Tank Banger. Just stretch it over the base of your scuba cylinder and you're ready to go. If you're right-handed place it to the right, if you're left-handed place it to the left. When you need to get someone's attention underwater, just pull the ball away from your cylinder and let go BANG!

Get the attention of your buddy, your students, or other divers from long or short distances with this underwater noisemaker. The Best Divers Tank Banger is made of corrosion-free plastic and yellow surgical tubing.

Best Divers Tank Banger Features

• Simple Device
• Left or Right Hand Operation
• Corrosion Free Construction
• Plastic and Surgical Tube Materials
• Signal from Short to Long Distances Underwater