These protectors reduce the amount of dust entering your hand piece while filing.
We've found time and time again that dust is the main cause of premature bearing failure on most hand pieces.
Fits all of our drill bits and most other brands with a standard 3/32 shank. The first company in the UK to create these little gems that save your e-files! They can be stiff to put on but are designed to stay put, use a hairdryer to warm slightly to enable fitting. Make sure the dust protector does not touch non-moving efile parts to avoid friction.
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