Hougen "12,000-Series" Annular Cutter Cuts holes faster, more accurate and cleaner than competitive tools Unique Hougen features provide the best performance in the widest range of materials 3/4" two flat Fusion2 shank - fits Hougen mag drills & one-touch arbor systems Made in USAUse Hougen "12,000-Series" Cutters with stationary tools, drill presses and magnetic drills. 1" (25mm) depth of cut. Cuts holes faster, more accurate and cleaner than competitive tools. Unique Hougen features provide the best performance in the widest range of materials. Made in USA.