Features:
100% Quality and Brand New.
Drill 28 Hole Size
This compact set replaces 28 individual drill bits.
Deburrs holes automatically like a drill.
Two-flute design gives you a faster, smoother cut
Titanium Nitride Coating for Cooler Run
Hex Shank "\Quick Change 1/4
High speed steel for long life
These step drill bits are made of wood