Simple Woodturning Tools - Pack of 4 Mid-Size Carbide Turning Tools with Interchangeable Lathe Tool Handle (Sapphire Blue Handle) Ideal turning too set for smaller wood turnings: less than 6" in diameter. Tools included: Rougher, 55 Detailer, 90 Detailer, Shear Cutting Finisher plus lathe tool handle Made in the USA by Harrison Specialties in Ramsey, Minnesota, a family owned CNC machining & manufacturing company Each carbide turning tool is 3/8" nickel plated solid steel and 9" overall length. CNC Machined Solid Aluminum Tool Handle is 12" length, 1-1/8" outside diameter with 3/8" opening for tool. Beautiful Sapphire Blue Carbide Woodturning Tools are easily changed by loosening two stainless Allen set screws.