Crown Tools 237 1/2" Spindle Gouge. This quality 1/2-Inch 13-mm Spindle Gouge is hot forged and ground and finished by hand from M2 High Speed Steel (Rockwell 62/64), which gives up to six times the edge life of carbon tools. It is fitted with an ergonomically designed stained 8-1/2-Inch 216-mm Beech handle with heavy duty brass ferrule.