A must have to keep you stones flat and performing well</br>Use kit to flatten and resurface your stones after use</br>1/2 pound bag of 60 grit Silicon Carbide</br>12" diameter?? ?"thick piece of glass?? w/ rubber molding installed around the circumference</br>Back side can be used to mount your Apex or Professional Edge Pro Sharpener</br></br>Product Description</br></br>The stone leveling kit is a 12"diameter?? 1/4"thick piece of glass?? w/ rubber molding installed around the circumference. It comes with a 1/2 pound bag of 60 grit (coarse) silicon carbide. Use the stone leveling kit to resurface your sharpening stones after heavy use. By sprinkling about 1/2 to 1 teaspoon of the silicon carbide on the stoneglass plate?? and adding a little water?? you can grind the high spots of the stone down until it is level again. Use the opposite side as a perfect surface for mounting your Professional or Apex model. The rubber guard will help contain metal shavings and deaden the sound created from leveling stones</br><br/>http://www.amazon.com/gp/product/B00QL8V9C88ve