Ideal for honing hardened steel blades, use on your chosen honing block/strop, felt, leather or wood. This honing compound, is one of the most effective on the market. It is primarily aluminium oxide blended with other fine abrasives to give the best combination of cutting speed and fine, mirror finish with a light wax film. The bonding is specially formulated for ease of charging, it can be used for final honing of almost any tool. 170g bar.