Lance drill
- Manufacturer
- Geass
- Application
- For bone preparation before a spiral drill, expansion of the cortical plate entrance
- Material
- Stainless steel
- Lenght
- 14, 22 mm
- Diameter
- 2,33 mm
- Country of original
- Italy
To prepare the entrance in the cortical bone for the twist drill, following the perforation made by the probing drill.