THIS ITEM IS AN ALLIED MACHINE & ENGINEERING (AME) INDEXABLE DRILL, MODEL 070815-12, WITH CATALOG NUMBER 6504-4361. IT IS A #2 TAH 2.978" DRILL FEATURING BOTH THROUGH SOLID COOLANT (TSC) AND FULL SOLID SPADE (FSS) CAPABILITIES, DESIGNED FOR DRILLING APPLICATIONS REQUIRING ADVANCED COOLANT AND SPADE SOLUTIONS.