
The first set (brown) is great. I will not buy this set again. 80# broke when working with a thin blade, others are so soft the grooves in them wear out in just one feeding session. Atoplee Green Silicone Carbon Polishing Oil Stone for Ceramic Painted Whetstone 80#/150#/240#/400#/600#/800#/1000# [All Grits, 7 Pcs]

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