Swix Diamond Stone - Coarse 70mm 2014 - The Swix 200 Grit Coarse Diamond Stone is an excellent stone for deburring and maintenance. This stone is one of two stones that can do it all in the diamond category. The Coarse Diamond Stone works great for maintaining the sharpness and smoothness. . Bearing Grade: High Performance, Tool Type: Stone, Model Year: 2014, Product ID: 247165, Model Number: TAA200S, GTIN: 7045950831550