1Made of high quality metal and magnet material, wear resistant and sturdy, durable and long service life. 2Small size, powerful function, beautiful appearance. 3Super strong magnetic, will not separate easily from each in or out of the water. 4With a hook, easy to attach onto bag or waist belt for easy carrying. 5Great accessories for diving, snorkeling and so on. Condition: 100% Brand New Item Type: Diving Magnetic Buckle Material: Metal + Magnet Optional Color: Silver, Red, Gold, Blue Diameter: Approx. 3.4cm/1.34inch Height: Approx. 6cm/2.36inch border: 1px solid000important;}1 xSpareDiving Magnetic BuckleHow to Use:The entire product is divided into two sections, one of which is fixed on the BCD, and the other is fixed on the spare respirator tube. The fixed method between the two is magnetic adsorption, very very strong. Under water, strong currents or ordinary misuse will not separate them. To use the alternate secondary, one hand can operate and pull it to remove the spare respirator.When installing, it needs to be fixed on the part of the spare respirator tube. It only needs a screwdriver to loosen the fixed screw and fix the pipe on the pendant. It is very simple.The other is fixed on the BCD, super magnetic adsorption, easy access, highly recommended