C & I Nail Drill Bit Functions 5 in 1: 3 Sizes Teeth + Teeth on the Top & R Cut + 2 Way Rotate & Double Hand Use Slim / Small Barrel + Straight Line Teeth 8 Sizes for nail remove: Triple Coarse - 3XC, Double Coarse - 2XC, Extra Coarse - XC, Coarse - C, Middle - M, Fine - F, Extra Fine - XF, Double Fine - 2XF. Professional electric nail file to quick remove nail gels, acrylic gels, dip powder, and other nail colors. 3 Sizes Teeth Mixed in 1 Nail Drill From up to down, teeth sizes are bigger and bigger. Take the nail drill, Triple Coarse -3XC, for example: the file head is mixed with XXC, 3XC, and 4XC sizes. R Cut: Rounded teeth at the edge of drill 's top. It could help you to do smile line, for example. Top Teeth: Teeth on the top of the nail drill's head. A round plane with teeth. You could use it to remove small dots, for example. 2 Way Rotate Directions. Both for Left Hand & Right Hand Use. Double Fine - XXF Mix with 3XF + XXF + XF Remove Base Gels Extra Fine - XF Mix with XXF + XF + F Remove Base Gels Fine - F Mix with XF + F + M Remove Soft Nail Gels Middle - M Mix with F + M + C Remove Soft Nail Gels Coarse - C Mix with M + C + XC Remove Hard Nail Gels Extra Coarse - XC Mix with C + XC + XXC Remove Hard Nail Gels Double Coarse -XXC Mix with XC + XXC + 3XC Remove Hard Nail Gels Triple Coarse -3XC Mix with XXC + 3XC + 4XC Remove Hard Nail Gels The Slim 5 in 1 Nail Drill has 8 sizes totally: Triple Coarse - 3XC, Double Coarse - 2XC, Extra Coarse - XC, Coarse - C. They has big size cross cut teeth. They are suitable for hard gels. We recommend rotate speed on 15,000 - 20,000Middle - M, Fine - F: With this 2 sizes teeth, you could to remove soft nail gels. Recommend 10,000 - 20,000 speed.Extra Fine - XF, Double Fine - XXF: The teeth is very small and close. Speed on 10,000 - 20,000 to remove base gels. Original, Big Barrel Big Barrel & Cross Cut Slim Barrel Slim Barrel & Cross Cut Pro Mix Add to Cart Buying Options Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 4.5 out of 5 stars 312 4.5 out of 5 stars 258 4.6 out of 5 stars 250 4.7 out of 5 stars 527 4.1 out of 5 stars 60 4.1 out of 5 stars 60 Price $18.99$18.99 — no data $18.99$18.99 $18.99$18.99 — no data $20.99$20.99 Barrel Big Barrel, Dia. 0.28 inch Big Barrel, Dia. 0.28 inch Slim Barrel, Dia 0.24 inch Slim Barrel, Dia 0.24 inch Slim Barrel, Dia 0.24 inch Slim Barrel, Dia 0.24 inch Teeth Straight Line Cut Cross Cut Straight Line Cut Cross Cut Cross Cut Cross Cut Teeth Size Mix in 1 3 Sizes, 8 Varieties 3 Sizes, 8 Varieties 3 Sizes, 8 Varieties 3 Sizes, 8 Varieties 3 Sizes, 2 Varieties 2 Sizes, 2 Varieties Double Hand Double Hand Use Double Hand Use, Right hand is better Double Hand Use Double Hand Use, Right hand is better Double Hand Use, Right hand is better Double Hand Use, Right hand is better Coated Original Color Original Color Original Color Original Color Titanium Coated Titanium Coated C & I Nail Drills are designed for nail remove. Professional E-File for nail tech or nail beauty hobbyist. You could use it in nail salon and at home.