Confezione da 5 - DWA8208H Flap Disc: 4-1/2" Dia, 80 Grana, Zirconia Allumina, Tipo 29

80 Grit, Zirconia Alumina, Type 29. Type 29 fiberglass backing provides a grinding angle of 20-25 degrees. IMPORTANT NOTE: Features a 5/8”-11 threaded connector, often referred to as a "hubbed" disc, which screws directly onto the grinder's spindle (see center hole in photo).

eBay