Sorby Excelsior Spindle Gouge Blade, 1/2 in. is a high-performance turning tool designed for the connoisseur wood turner and those who frequently work with hard woods. This 1/2" blade, measuring approximately 8" in overall length, features an advanced Titanium Nitride (TiN) coating that significantly enhances edge retention and durability. The plasma bonded TiN finish layered over traditional triple tempered High Speed Steel (HSS) creates a cutting edge with an impressive Rockwell hardness equivalent of 80, outperforming even tungsten carbide and lasting four times longer than standard tools. This combination not only prevents chipping and brittleness but also makes sharpening easier. The TiN coating also reduces friction between the blade and wood, making it especially effective when working with very hard or abrasive woods and cutting through knotted burrs. This means you can spend more time turning and less time sharpening, achieving fine details on between-center work where the grain runs parallel to the lathe bed. Model Number: B840G130