Combination Grit Waterstone, Overall Length 8 in, Overall Width 3 in, Overall Height 1 in, Abrasive Material Synthetic, Grade Extra Fine, Ultra Fine, Grit 4000/8000, Primary Material Application Stainless Steel, Aluminum, Brass, Bronze, Cast Iron, Copper, Tile, Titanium, Tool Steel, Compatible Lubrication Water, Color Brown, Gray. This item has been restricted from sale in the following state (s): []