SEA & SEA EXTENSION RING

SPECIFICATIONS:

• Depth rating 100m / 330ft
• Construction Corrosion-resistant aluminum alloy (alumite coating)
• Sizes:
  • 20L
    • Dimensions (DIAxD) 129 x 35.5mm / 5.1 x 1.4 inches
    • Weight Approx. 154g / 5.4 oz
    • Distance Between the mount and the front end: 20mm / 0.8 inches (with port lock)
  • 30L
    • Dimensions (DIAxD) 129 x 45.5mm / 5.1 x 1.8 inches
    • Weight Approx. 194g / 6.8 oz
    • Distance Between the mount and the front end: 30mm / 1.2 inches (with port lock)
  • 40L
    • Dimensions (DIAxD) 129 x 55.5mm / 5.1 x 2.2 inches
    • Weight Approx. 234g / 8.3 oz
    • Distance Between the mount and the front end: 40mm / 1.6 inches (with port lock)