Just checked it out. That 3/4 in must be very strong. I would even be willing to buy it from you. Black would even look good on the back of the Pro Angler.
It is basically high density plastic, much like a cutting board. It is easy to work with and will never rot. It machines well and holds screws like nothing I've ever seen.
Quick trip report from yesterday:
Original plan was to fish Sunday and Monday, but it looked like Saturday was going to be the best day weather-wise. Fished the back side of the island, crossing...
I use the 303, but I find it doesn't last.