Weiler 56473 Depressed Center Wheel: Type 27, 4" Dia, 1/4" Thick, Aluminum Oxide
Depressed Center Wheel: Type 27, 4" Dia, 1/4" Thick, Aluminum Oxide 24 Grit, Resinoid, 15,200 Max RPM, Use with Right Angle Grinder
$2.54