The weight belt is available from Navy Company for a reference price of 7,600 yen. Weights are approximately 2,000 yen each (500 grams x 4 for the belt, 1 kilogram x 3 for the vest). The weight vest was purchased for 13,200 yen. The titanium tightening knife is approximately 10,000 yen. As a bonus, a line cutter and anti-fog for the mask are also included, making it a great deal (see photo). Processed to connect the belt and vest. It will be delivered with the perfect weight for a 3mm two-piece wetsuit. By using the weight belt and weight vest together, the burden is distributed, and descent becomes smoother, so it is recommended.