This Best Divers Marachas 95 Scuba Rattle with Magnetic Holder is a high quality painted aluminium finish Tank Banger/Marachas shaker alarm which can be used to attract attention whilst underwater. You can hear a rattle from every angle and there is no mistaking it.
Complete with lanyard and magnetic clip holder it easily connect to a scuba hose making carrying a breeze when not required.
Size: 20 x 160 mm
This underwater noise maker is another alternative to underwater signalling. Get someone's attention by just shaking this "marachas".