This is a simple-to-fit cup holder / storage pot which can be fitted into the surface of a dashboard / console to hold drinks, a VHF, mobile phones etc. 

It's easily installed - drill a 92mm hole and seal it in with at the gasket that's under the top flange. 

The cup holder has a drain hole which can be connected to a pipe to drain any water out of the console. 

This cup holder is fitted to many Quicksilver boats and has part number INT 1878489.