The compass is the hands with water depth gauge placed list on the painting of ◆ ◆ 50BAR designed in the red zone. The dolphin 圧計 [Features] ◆ Dimensions: 107 × 54 mm ◆ ◆ ◆ ◆ Weight (including hose) G Hose Size: Length 850 mm, inner diameter 3.2 mm, outer diameter 7.9 mm body material: Thermoplastic elastomer resin Hose material: Inner Tube/12, outside of nylon/polyurethane inside (hose): 15 mm ◆ ◆ ◆ screw diameter: 7/16 – 20UNF ◆ Use the highest pressure: 300bar Minimum bend radius) Features: The depth of the voltmeter + 圧計 ◆ basic construction: 圧計/breton tube type, luminous face ◆ Using temperature: 5 to + 50 °C