SHARPAL 115N Credit Card Size Diamond Sharpening Stone, Pocket Knife and Tool Sharpener (Extra Fine 1200 Grit)

Extra fine 1200 grit (12 micron) for honing Ring grip holding to protect hands from hurting when sharpen Compact & pocketable credit card size Ideal for sharpening knives, small edged and pointed tools including carbide and high speed steel tools