This Razor Edge version of Crown's 3/4" Bowl Finishing Scraper is designed to remove ridges and other roughness from the inside of bowls. Combining a sophisticated combination of Cobalt infused HSS with a cryogenic treatment, Razor Edge tools are designed to outperform all others in edge retention and performance. Stained black ash handle is approximately 10" long, and the tool has an overall length of approximately 17". England About Crown Razor Edge Turning Tools Crown's ultra-high performance Razor Edge Tools combine the use of Cobalt infused M42 High Speed Steel with their sophisticated cryogenic treatment process to bring a level of performance previously unseen in turning tools. Blades are triple tempered and hardened to 66/69 HRC.