Our BBraun Aesculap Twist Drill Bits w AO-Shaft have the following features:

• Made in Germany
• Premium German Stainless Steel for orthopaedic surgery
• A-O Shaft can be used in: 
  • Normal chucks
  • Instruments/handles that take A-O Shafts
• The length xx/yy refers to:
  • xx = total length of drill bit
  • yy = usable cutting length of drill bit
• Significantly more durable cutting blade than other drill bits