High speed steel resists "blued" softening from overheating
Sharpened edge lasts 6 times longer than carbon steel
Ash handle
Brass ferrule
This HSS 3/16" diamond parting tool will keep a sharpened edge about six times longer than carbon steel and resist "blued" softening from overheating during grinding or from heavy turning. Ash handles offer firm hand control during use and brass ferrules prevent wood splitting from tool pressure. Overall lengths 17" to 21".