Safe Electric Filing Is a Technique that Takes Time

But once you have, using an electric file will become habit — a safe one.

Safe electric filing is a technique that takes time to master but once you have, using an electric file will become habit — a safe one. Today’s techs are becoming more and more open minded to using an electric file, even the old pros who have resisted and take pride in traditional hand filing. But where do you start? Let KUPA show you the way.

Not sure what bits you need? We have the solution. Our 10 Piece Bit Kit has everything you could possibly need, in silver, plus you can use the case for your disinfected bit storage! Here is a list of the bits and what they can be used for.

Small Carbide Barrel

Large Carbide Barrel

Both these barrels are used for shaping and the only difference is the circumference of the barrel. Hold the barrel bits flat to the nail for shaping the top surface without creating rings of fire at the cuticle area. (Angle them and they will.) These bits are a new style of double cross-cut carbides that work in both directions so the left-handed techs can use them effectively as well.

VP Safety Bit

This is a rounded topped tapered barrel bit that is perfect for cuticle work and prepping the product at the fill area. Use at an angle holding the bit so you have 50% or more contact as you angle the bit around the cuticle area. Use at a very slow speed with very light pressure and you can go right up against the natural cuticle area without causing any harm. Use on the edge of the product at the fill area and bevel down flush with the natural nail surface for no-line fills.

Tapered Barrel

This is the safety bit (tapered barrel) with a flat top. It’s actually the original VP bit. You can use it to shape the surface, use under the nail safely because it has a flat top, and some even use the flat top to cut smile lines during their backfill procedures. This can be safely used at the cuticle area, however it can cause rings of fire if used improperly so unless you’re seasoned I would not suggest it.

Cone - This is a more tapered bit that comes to a point on the top. It’s as long as a barrel bit is however much more tapered. This bit is used for many things — cuticle work, under the nails, and sometimes for shaping, however it is not as effective for shaping as a barrel bit would be.

UNC - The Under The Nail Cleaner bit is a tiny pointed bit that can be used for under the nail and along the groove walls because it’s so slender. It actually is a plain shank that carbide flutes have been cut into.

Inverted Backfill Bit - This is a half barrel bit that is angled so it is slightly larger on the top for a better cutting angle. Used for cutting new smile lines during the backfill process.

2-Week Backfill Bit - This is actually a ¼ barrel with straight sides and a flat top. It was originally designed to remove only two weeks worth of product by holding it flat to the nail. However, most use it at an angle during the backfill process, and switch to a barrel bit to remove the remainder of the tip product.

4-Week Backfill Bit - This is actually a ½ barrel with straight sides and a flat top. It was riginally designed to remove only four weeks worth of product by holding it flat to the nail. However, most use it at an angle to cut the smile line then remove the remainder of the products during the backfill process.

Mandrel & 10 Medium Sanding Bands - The mandrel is a metal bit that the sanding or arbor band slips over and is used for shaping. The Sanding bands are available in fine, medium, coarse and extra coarse grits and are a one-use only paper band. These bits are perfect for filing calluses on the feet, as well as shaping the nails.


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