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Diamond Sharpening Parallel Wheels Fixed In Knife Machine CBN SHARPENING WHEELS Specification Size Diameter Thickness Inner Hole Grit Size 5' 127mm 22.2mm 20mm 126 Diamond grinding wheels are electroplated and nickel coated. Electroplating offers many advantages over other applications. It creates a more aggressive bond over other applications and will hold a form longer. It also performs a higher stock removal rate and will last several months. They are designed for