SMITHS | Natural Arkansas Sharpening Stone 4" | 50556MFR: 50556 SKU: 11613234 UPC: 027925505564 Brand: Smith's Length: 8 Width: 5 Height: 1 Smith's (R) 4" Natural Arkansas Sharpening Stone removes modest amounts of metal as it polishes the cutting edge. No other type of sharpener can perform both these functions simultaneously! The new 4" x 1" sized Natural Arkansas stone is mounted on a plastic base and has a plastic lid to protect the stone when not in use. During use, the plastic lid can be inserted