Product Info The Robust 1-1/4″ diameter spindle roughing gouge has a 45 degree grind and polished flute. Like our all our gouges, it is milled from solid High Speed Steel and give our proprietary Nitriding treatment. The shank is turned to 5/8″ diameter. Spindle roughing gouges are for turning spindles, not bowls ! Also available handled. Robust woodturning tools are manufactured by Robust from premium HSS (high speed steel) that has been treated with our proprietary Nitriding process. Nitriding is not a coating or plating, but a diffusion wherein extra carbon and nitrogen are added to the base metal. This zone is up to .002″ deep. The result: significantly improved edge holding and reduced sharpening. Learn more about the Nitriding process used by Robust tools here. Gouge Specifications: Blade measures: 1-1/4″ dia. x ??” overall, flute measures: 7.5″ “
