Product details:

2 X 2 12, 000-Series Ti N Annular Cutter. Ti N Coated 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. Made in USA. Ti N coated for improved performance and tool life in harder or gummy materials. 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 shank. Made in USA.