No, it is fiberglass, but it looks like it sat somewhere very dirty and got wet or soaked with something so the fiberglass was falling apart. I bought the new board, checked the motors (with a ramps board), so I know that much is ok. I think the rc servo is ok or at least seems to work. There isn’t that much to this thing, I set the current (actually might need a little bit more), but the motors still seem to cog very hard like the board is sending full steps. I have checked the motor wiring by the elimination method so I am pretty sure its not that. Is it possible I have the wrong driver installed?