Dimensions: Stone = 6" x 1" x 5/32"; Plate = 3/32" Thick = Total thickness 1/4"</br></br>Product Description</br></br>600 Grit Extra-Fine aluminum oxide water stone?? mounted on an aluminum stone blank. A great stone to finish all kitchen and utility knives. The same as a 5000 grit Japanese water stone.</br><br/>http://www.amazon.com/gp/product/B00CIV4KZ0