Correct 230x280. Ive seen some on a roll but the is only 115 wide.
I need to lap the sump case, and spacer down, and I’m clipping the edge of the sheets
Other half now flat. The sump extension because it was welded has a slight warp in the drain hole corner. I’ve got one side flat the other had more movement.
Abtec sell 24" silicon carbide discs - they list P60, 80 and 120 but say they can get up to 600 grit on request. It's self adhesive backed which could be a good or bad thing.