Westfalia 13 Piece Titanium Bit Set / a metal cassette is

13-piece Titanium- Nitride Coated Wood Drill Bit Set. TITANIUM - 600% longer life -> Higher cutting speed -> Less friction -> Higher hardness level than hard metal. The model of wood drill used by the professionals. The drilling dust slots enable a rapid and clean removal of the drilling dust. The ground central points and the two shoulder cutters enable precise drill starts and leave clean drilling holes. 600% greater lifespan due to the Titan nitride coating compared to conventional wood dril (Barcode EAN=4040746183847)