
Frank Marine
It screws to an upright face, a bulkhead, cabin side, console cheek or the inside of a caravan annexe wall, not flat on a deck or a table top. The holder itself stays level while the mounting plate sits vertical, so check you have flat wall to work with.
Measure your usual cup against the ring before you drill any holes. A can or a stubby in a cooler sits low and stays put; tall travel mugs and wide tumblers stand proud of the ring and will tip out the first time the boat rolls or the van goes over a gutter.
In salt air, yes, because plastic holders go chalky and brittle under Australian UV and snap at the mounting screws after a few summers. The trade-off is that metal gets hot in the sun and cold drinks sweat into it, so pick a spot with a bit of shade.

Frank Marine

Frank Marine

Frank Marine

Frank Marine

Frank Marine

Frank Marine
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