Dimensions: Stone = 6" x 1" x 5/32"; Plate = 3/32" Thick = Total thickness 1/4"</br></br>Product Description</br></br>120 Coarse Grit Stone Silicon Carbide. Used for heavy metal removal on extremely dull knives and for re-profiling.</br><br/>http://www.amazon.com/gp/product/B00CIV05YA