How much does this cost to the nearest dollar?

Norton Crystolon Abrasive Machine Knife Stone, Silicon Carbide, 4 Diameter x 1-1/2 Thickness, Grit Coarse/Fine (Pack of 1)
The Norton Crystolon combination abrasive machine knife stone is made of silicon carbide with 100 grit on one face for repairing cutting edges and 280 grit on the opposite face for sharpening and maintaining them; it sharpens to moderate tolerances when it is more important to sharpen the blade quickly than to produce a fine cutting edge. This disk-shaped hand oilstone is commonly used to restore cutting edges on paper- and cloth-cutting knives and planer knives while they are on the machine; it can also be a preferred stone for garden and household tools. A groove around the circumference of the stone offers

Price is $83.00

Price: $82.81