This drill bit reaches all the way through the 20″ dimension of the block
Drills cleanly (no cracking or loading up)
1/2″ Tubing fits perfectly into the hole.
We sell a cordless drill that works nicely with this bit
2″- Candles — 3″- Skinny wine bottles & beer bottles — 3.5″ most 750ml bottles
4″- most 1000ml wine and liquor bottles (also absolut bottle & Champagne bottles)
we recommend our cordless drill with a 1/2″ chuck
1/2″ shank (make sure you have a drill with a 1/2″ chuck)