ITEM NAME:Nail art drill kit electric file buffer bits acrylic portabl salon machine set Z Features: 100% brand new and high quality 5-in-1 manicure grinder combines all functions in one: nail trimmer, manicure, exfoliating scrub, hangnail, etc. Replace the grinding heads for different purposes: Metal Grinding Head: remove thick & hard dead skin, hand callus, keep skin neat and even Nail Edge Grinding Head: trim nail edge, nail gap, let the nail gap and edge look smoother Nail Surface Grinding Head: Grind and smooth the nail surface, even the sags and crests Sharp-tend Grinding Head: Used to polish nail surface and make your nail look brighter Disk-shaped Grinding Head: Grind the nail after nail cutting, make the sheared nail even smoother, mainly applied to nail edge Easy to Carry: portable size, cordless usage(battery operated, battery not included), easy to carry Specification: Item Name: Electric Manicure Grinder Material: ABS Color: as shown Size: 16.5cm/6.50'' Power Supply: 2*AA batteries (Battery not included) Use: nail grinding and polishing Use Tips: 1. Require 2*AA batteries (Battery not included) 2. Rotate towards the arrow direction(arrow printed on main body) to open battery case 3. After battery installation, keeps the double lines printed on main unit aligned at each other Package Includes: 1 x Main unit 5 x Grinding heads 1 x User manual Battery not include Note: Please allow slight 1-3cm difference due to manual measurement and a little color variation for different display setting.Disk-shaped Grinding Head: Grind the nail after nail cutting, make the sheared nail even smoother, mainly applied to. Nail Surface Grinding Head: Grind and smooth the nail surface, even the sags and crests.