1/2″-20 UNF Male to Female Silencer/Barrel Extension 16mm Diameter 38mm or 50mm Extender TYPE:50MM EXTENTION reliable performance at any depth

reliable performance at any depth

The new valve in the “X” systems increases durability by an astounding 600%

making it your dependable companion for seamless travel

Expedition Britannic is the story of the May 2019 mission to dive the Olympic-class liner-turned-hospital ship

The lenses can be replaced with optical lenses

1/2″-20 UNF Male to Female Silencer/Barrel Extension 16mm Diameter 38mm or 50mm Extender TYPE:50MM EXTENTION reliable performance at any depth1 2 20 UNF Male to Female Silencer Barrel Extension 16mm Diameter 38mm or 50mm Extender High quality anodized part with thread protector end cap. 38mm Extension (Overall length 51mm) 50mm Extension (Overall length 62. 5mm) 16mm Diameter Body 7. 4mm Diameter Through Hole. These parts are machined in one operation to maintain concentricity of the threads, body and through hole.