The Tormek Diamond Wheel Extra Fine has a grit size of 1200 leaves an extra fine finish and is especially suitable for carving tools and kitchen knives when the need for steel removal is minimal. You can sharpen all types of material, including steel, ceramic, and carbide. Fits Tormek T-8, Tormek T-7, and previous models with a 250mm (10inch) stone diameter. Includes one bottle of ACC-150 Anti-Corrosion Additive.