BlueSpot 3 Piece 150mm x 50mm Diamond Sharpening Whetstone Set
BlueSpot 3pc Diamond Stone 6" x 2" / 150mm x 50mm Sharpening Set Extra Fine Coarse. The Blue Spot Tools 3 Piece 150mm x 50mm Diamond Sharpening Whetstone Set is specially designed for the quick and easy sharpening of small hand tools.