All one-piece brass body; Copper Beryllium spiral wound; Bourdon tube. Polycarbonate transparent window. Plastic cover with 2 loops for fixing. Graduation 400 BAR full scale. Graduation display: Luminous easy to read dial design; Red zone from 0 to 50 BAR; Increments 10 Bar all over the scale. Standard Hose length 80 cm. SPG + HP hose in compliance with EN 250 specifications. Suggested use only by trained individuals and certified by a recognized Scuba Training Agency.