Vintage Knife Carborundum Silicon Carbide Sharpening Stone 108 8 " X 2 " X 1 " (W2)

Vintage Knife Carborundum Silicon Carbide Sharpening Stone 108 8 " X 2 " X 1 " Usa

Vintage Carborundum Silicon Carbide Sharpening Stone 107 & 109 Indian Usa

Vintage Carborundum Silicon Carbide Sharpening Stone 109 Indian Usa

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Vtg Med Carborundum Silicon Carbide Sharpening Stone Box 131 Niagara Ny

Vintage Rexite Brand Silicon Carbide Sharpening Stone

Vintage Carborundum Brand No. 108 Silicon Carbide Sharpening Stone 8 X 2 X 1

Vintage Carborundum 328 8”x3 " X1” Silicon Carbide Sharpening Stone - Box