Bibielle Flap Wheels use Aluminium oxide flaps ranging from a couple of fine 80 grit 20 X 20mm and 30 X 15mm to coarse 60 grit products at 50 X 25mm, 60 X 25mm and 80 X 50mm. Constructed with X-Flex weight backing, they are all driven by a strong 6mm diameter cylindrical shaft.Benefits:These w..