Norton Machine Knife Stone JB74, 4" x 1-1/2", CRYSTOLON (SILICON CARBIDE), Coarse/Fine, 5 per case

JB74 Crystolon machine knife sharpening stone at 4 inch diameter by 1-1/2 inch thick. Silicon carbide grain sharpens industrial machine knives, paper cutter blades, and food processing slicer blades...

JB8 Crystolon combination bench sharpening stone at 8 inch by 2 inch by 1 inch with coarse and fine sides. Silicon carbide grain sharpens chisels, plane irons, and cutting tools across woodworking...

Norton CRYSTOLON (SILICON CARBIDE) BENCHSTONES, 4 x 1 Round,Combination Grit, JB64 Corse/Fine, 5 per box

Norton CRYSTOLON (SILICON CARBIDE) BENCHSTONES, 6 x 2 x 1 w/anniversary box, Combination Grit, JB6 Corse/Fine, 5 per box

Norton Abrasives Sharpening Crystolon Oilstone, Model: JM3, Grit: Coarse, Size: 11-1/2" x 2-1/2" x 1/2", Color: Gray, Material: Silicone Carbide Abrasive, Packaging Qty: 1 per each - 2 per case