The SILKLINE PROFESSIONAL wet/dry two-sided foot file with thick wood handle offers a heavy-duty construction for aggressive filing and is extra-durable. Use dry with coarse side, use wet with smooth side to remove calluses and smooths heels: coarse side turns calluses to dust, smooth side gives even satin finish. Sanitizable: use any chemical sterilizer. Excellent for home use to maintain soft feet between pedicures.