Magnetic Plastic Core for Hygienic Boomerang Special 5x

This lightweight plastic core is 2 mm thick and flexible, so that every filing step can be performed comfortably.

Suitable for the following Hygienic Files:

• Hygienic Long Lasting Boomerang Special 100 Grit
• Hygienic Long Lasting Boomerang Special 150 Grit
• Hygienic Long Lasting Boomerang Special 180 Grit
• Hygienic Boomerang Special Blue 220 Grit