Chisels and plane irons will never cut right till you flatten their back and bevel - here's how... Apply a little silicon carbide powder and oil to a lapping plate (or other dead flat surface). As you lap the blade, a fine slurry forms to rub out all the high spots and create a silky, dead-flat surface. Now your blade will take a true razor edge! A must for renewing old tools, truing sharpening stones, etc. Grits come in 2 oz. containers. USA
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