Otg อุปกรณ์ดําน้ําแบนเจอร์แบงเจอร์สําหรับดําน้ํา #Og-157

OTG Scuba Diving Tank Banger is a simple, reliable and long lasting tool for diver who would like to get a quick and effective attention of your buddy, student or communication with another divers. Just install the Banger stretch over the scuba tank near the bottom. This banger fit for most standard scuba tank and easy to install. It is a must-have accessory for every divers. - 100% Brand New, OTG Scuba Diving Tank Banger / Underwater Signaling Device / Noise Maker #OG-157 - Material: Heavy duty stretchy rubber band and Sturdy Plastic ball. - Color: Yellow color plastic ball with Black color rubber band or Orange color plastic ball with Black color rubber band. - Rubber Band: approx. 4mm (dia) thickness. - Fit most standard scuba tank and easy install. - To get attention of your buddy, student or another divers. Package Included: 1 x OTG Scuba Diving Tank Banger #OG-157