60 pcs Drill Bit Set Cobalt Drill Bit Set for Stainless Steel Hardened Metal

10 Pcs Drills High-speed Bits Center Countersink 60 Degree. - Suitable for hardened material. 2 Pcs Air Compressor Maintenance Consumables Mini In-Line Lubricator. - Suitable for tough, high tensile strength material, such as cast iron, stainless steel, etc.

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