10.408 TRUING STONE 3-1/2" X 1 3/8" X 9/16"Manufacturer: Grobet USA SKU: 10.408Manufacturer part number: 10.408Vendor: Grobet USA $10.50 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendQuickly reshapes and resurfaces abrasive stones to like-new condition. A very hard and coarse silicon carbide stone with 4 different sized half-round grooves on one side measuring 1⁄16", 1⁄8", 3⁄16", and 1⁄4". Measures 31⁄2" x 13⁄8" x 9⁄16" overall.