SUPER K PVA STONES FOR USE ON K-WALTER & MDC POLISHING MACHINES Grit No. Order No. Surface Finish Ra Primary Application Performance C1000K 321-9100 0.28µm/11.02µin Medium Finishing, K-Walter Surface Pilot (7.75" O.D. X 4" I.D. X 2" Thick) Faster Cutting C1000DK 321-9103 - Medium Finishing Longer Lasting C1500K 321-9150 0.18µm/7.08µin Medium Finishing, K-Walter Surface Pilot (7.75" O.D. X 4" I.D. X 2" Thick) Faster Cutting C1500DK 321-9153 - Medium Finishing Longer Lasting C2000DK 321-9203 - Fine Finishing Longer Lasting C2500DK 321-9253 - Fine Finishing Longer Lasting C3000DK 321-9303 - Fine Finishing Longer Lasting GC3000SK 321-9318 0.04µm/1.57µin Mirror Finishing, K-Walter Surface Pilot (7.75" O.D. X 4" I.D. X 2" Thick) Faster Cutting