MedicoolDiamond Barrel Large Bit- Extra Fine Grit- For Nail Drill/File Part # E12X

It works great for smoothing out acrylic , although once i used it it created scratches on my bit

If you are looking for a bit to make your work look more refine and smooth please buy this bit, it refines your work make your cuticle application looks flawless I love it, I think I will get another one just to keep.

Extend length well.