Sterile K-file, 25 mm, ISO 40, black, blister of 6 pieces

For all preparation techniques in a rotating filing motion.

• stainless steel
  
• ISO 06-25 square cross-section for greater resistance to breakage
  
• ISO 30-140 triangular cross section for higher cutting performance
  
• Clear marking of the instrument type and ISO size on the handle
  
• Special steel alloy for high breaking strength and high flexibility
  
• The inactive tip guides the instrument safely in the canal
  
• With pre-assembled silicone stoppers