Sea&Sea Extension Ring 30L #30124

[Description]

[Dimensions (DIAxD)] 129 x 45.5mm / 5.1 x 1.8 inches
[Weight] Approx. 194g / 6.8 oz
[Depth rating] 100m / 330ft
[Construction] Corrosion-resistant aluminum alloy (alumite coating)
[Distance] Between the mount and the front end: 30mm / 1.2 inches (with port lock)

Instruction Manual for "Extension Ring 30L"（1.14MB)