This package comes with 14 pieces of different nail drill bits with box,packed in a see-through and dust-proof carrying case.Made with the highest precision standard diamond tungsten carbide, with super strength, sharpness and durability also heat resistance.This diamond bits kit provide you all the designs which are necessary for nail jobs. Versatile enough to do all the jobs like cuticle removing, acrylic nail polishing, smoothing, shaping and cleaning.The size of 3/32" shank is suitable for most size 3/32" shank nail drill machine, various shapes and sizes to meet different needs, suitable for natural nails as well as artificial nails.Protect your skin from being harmed way to advanced craftsmanship and well-examined layout. Lovable and dust-proof carring case for supporting you discern out the favored bits quickly.