Sea and Sea #30124 Extension Ring 30L
- Dimensions: 129 x 45.5mm / 5.1 x 1.8 inches
- Weight: approximately 194g / 6.8 oz
- Depth rating: 100m / 330ft
- Construction: corrosion-resistant aluminum alloy with alumite coating
- Extends 30mm / 1.2 inches (with port lock)
