Features:

- 100% brand new and high quality.
- Heat treated carbon steel for strength
- Suitable for all hand and power drills
- Contains all popular sizes of countersink bits
- Five Flute Chamfer Debur Countersink.
- 5 Flute Counter Sinks.
- Carpentry Countersink Drill Bit Set.  

Specifications:

Material: High-carbon steel
Hex Shank Diameter : 1/4" (6.35mm)
Flute Number : 5
Size : 12mm, 16mm, 19mm

Surface treatment: blackening treatment
Heat treatment: high frequency quenching, enhance the hardness.
Applicable scope:suitable for wood plastic cutting chamfering etc.
Angle:90 degree  

Package included:

1 x Hex shank countersink drill 12mm
1 x Hex shank countersink drill 16mm
1 x Hex shank countersink drill 19mm