The Suhner powerfile machine has a fixed arm and a belt length 533 x 9mm.
The benefit: many more high performance products available ex-stock.
Use the FX87 P60 grit where there may also be some weld removal needed.
Use the FX87 P80 grit where it is more about shaping and finishing the metal.
Why ceramics not zirconia? Simple. They last longer and are just as competitively priced!!