Grinder 8000 Grit Kitcken Knife Sharpening Stone,Corundum Whetstone T0913W, White 1.High-grade corundum ensure effective sharpening results knife sharpening stone 2.Equipped with silica gel non-slip base guarantee the safety sharpening. 3.Good self sharpeness.Wash with water after sharpening,wipe with cleaning cloth,then can wash away most impurities. 4.Package with corrugated shock box and foam box,ensure the shipment safety. 5.Application scopes:Different knivesExceptSerrated knife,Ceramic knife