Royal Functionality Emery Nail File Metal Files Strong Large and Small New. The Functionality Duo Sapphire Nail Files are made from high grade synthetic sapphire particles which give nails the perfect shape and finish. The pointed tip can be used for cleaning under the nails. Always file from the edge to the centre of the nail using long, smooth strokes. Keep packaging for future reference. Contents. 1 Large Sapphire Nail File 1 Small Sapphire Nail File
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