Sea&Sea Extension Ring 40L #30125

[Description]

[Dimensions (DIAxD)] 129 x 55.5mm / 5.1 x 2.2 inches
[Weight] Approx. 234g / 8.3 oz
[Depth rating] 100m / 330ft
[Construction] Corrosion-resistant aluminum alloy (alumite coating)
[Distance] Between the mount and the front end: 40mm / 1.6 inches (with port lock)

Instruction Manual for "Extension Ring 40L"（1.14MB)