MelodySusie Upgrade 5 in 1 Nail Drill Bits For Electric Nail Drill Machine Why called the 5-in-1 pro drill bits? The 5 in 1 pro cross-cut carbide bits are designed with 3 kinds of teeth mixed in 1. You don’t even need to change the drill when you clean nail arts. The bits combination of 3 functions, which can remove hard gel, base gel and soft gel separately one time. This carbide drill bit only fits 3/32" shanks. The drill bits also come in 2 different grit sizes. SAFETY WARNING Keep away from children.Fits Well with Most Nail Drill: Universal 3/32" (2.35mm) tungsten steel shank perfectly suits most professional electric nail drills on the market. These 5 in 1 pro bits are suitable for nail professionals advanced. Please note that to prevent breaking, the nail drill bits cannot be dropped. Professional Nail Drill Bits: Made of the hardest carbide tungsten material, the bits are hard-wearing, sharp, durable, and also crafted with delicate. Fast to remove acrylic nails, dip powder, polygel, and hard gel nails.The Coarseness on the drill surface changes from top to bottom: Top is for cutting dead skin, 2nd part is Triple Fine, 3rd part is Medium, and the bottom base is Extra Coarse grit. Two Rotate Direction: Designed to cut smoothly in clockwise and counter-clockwise directions for both two hands. Works for both left and right hand, you can choose the direction in a different situation. It needs that a nail drill that has a forward and reverses function. Mixed Sizes: 3 kinds of teeth mix in 1. You don’t even need to change the drill when you clean nail arts. The bits combination of 3 functions, which can remove hard gel, base gel and soft gel separately one time. The upper layer is suitable for base gels. We recommend a speed of 10,000 – 20,000 rpm. The middle layer, is for color gels, speed 10,000 – 20,000 rpm. The bottom layer is for acrylic gels, speed 15,000 – 20,000 rpm. Upgrade 5 in 1 Pro Cross Cut Carbide Nail Drill Bits | Color: Gold | Grit: XC+M+3XF | Shank Size: 3/32'' | Two-Way Rotation.