At fisrt sight all nail files might look the same, however the quality varies.
A good file smoothes the nail quickly and doesn't leave nails "toothed" and
lasts at least three times longer.
4 FILES IN ONE, DIFFERENTIATED IN 4 DIFFERENT COLORS
WOODEN FILE WITH LACE
STAINLESS STEEL FOOT FILE
CERAMIC FOOT FILE
BASIC POLISHER SHINE
TWO SIDED BUFFER