Norton India Replacement Stone for IM200 Dropship Norton Item Number: JT930

Norton Item Number: JT930

Will I need a flattening stone for these

Yes if the stone is mounted to a Nano-Hone Universal Stone Backing Plate it can be held on a Nano-Hone Stone Stage which can in turn then be used on the pond

while harder than the other Magna-Matic wheels

Norton India Replacement Stone for IM200 Dropship Norton Item Number: JT930This Medium India Stone is the replacement size for the Norton IM200 sharpening system. Stone measures 8" x 2" x 1 2". Fine Grit: Norton Part No. 66253054572 Q. What are the grits of the Medium and Fine in the Norton India stones? A. The Medium India is 240 grit and the Fine India is 400 grit. Please see our Norton Grit Chart for more information.