7 PCS Center Drill Bits Set, M2 High Speed Steel 60-Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 AVANTEK it allows for discreet monitoring

it allows for discreet monitoring of your surroundings

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They leave no sticky residue when removed and are even writable with a pencil or marker

You won't feel uncomfortable wearing them for long periods

And can be used as maintenance

7 PCS Center Drill Bits Set, M2 High Speed Steel 60-Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 AVANTEK it allows for discreet monitoringAbout this item Product Sizes7 pcs Center Drill Bits Set are in size 1. 0 1. 5 2. 0 2. 5 3. 0 4. 0 5. 0, which can meet your different needs 60 Degree Tip AngleThe center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of general material. It will be your great helper in drilling accurate centering holes High QualityOur center drill bits made of high quality M2 High speed steel, solid and high