Check the listing for details. Old Time Grinding Wheel Sharpener. Condition: Used. Listed at 500.00 USD. The Old Time Grinding Wheel Sharpener is a specialized tool designed specifically for sharpening cutting tools in metalworking applications. With its unique grinding wheel technology, this sharpener ensures precise and efficient sharpening of cutting tools, allowing for improved performance and longevity in metalworking processes. Ideal for businesses in the CNC, metalworking, and manufacturing industries, this product is a reliable and essential tool for maintaining sharp cutting edges.