DEWALT DW2712 No.10 Replacement Drill Bit and Countersink The product is #10 Counter Sink Insert Easy and simple use kit The product is manufactured in China Replacement drill bits with countersinks provide a less costly solution to replacing the entire unit Multi-cutter countersinks for superior finish Black oxide split-point drill bits start on contact Replacement drill bits with countersinks provide a less costly solution to replacing the entire unit Multi-cutter countersinks for superior finish Black oxide split-point drill bits start on contact