Scuba Diving Cylinder Impact Ball Knocker Tank Banger Underwater Signal Device Supplies for Scuba Divers
100% brand new and high quality diving cylinder impact ball, lightweight and easy to carry. Made of high quality material, which is reliable, sturdy and durable for long time use. Set on the diving cylinder, pull out the ball and then release the hand to make the sound. It makes a much louder sound than the other diving devices, more easily heard by your diving partner. A practical diving accessory for getting attention of other divers or your friends when diving.
Condition: 100% Brand New
Material: Silicone + PA66
Circumference: Approx. 45cm / 17.7in, can be stretched to 2 times long
Rope Diameter: Approx. 4mm / 0.16in
Ball Outer Diameter: Approx. 3.3*3.6 cm / 1.3*1.4 in
Suitable for: 12-14L Cylinder
Color: Fluorescent Yellow, Orange, Green, Black (optional)
Weight: Approx. 45g / 1.6 oz
1 * Diving Cylinder Ball
1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard