What it does High quality stainless steel blades from Germany ensure the easy & effective removal of corns & callouses What else you need to know Made in Germany from high quality stainless steel the corn blade removes corns and callouses Instructions - How to use For removal of dead, dry skin only. Soften the corn or callous by soaking in with warm water for 3-4 minutes. Hold the corn plane against the corn or callous so the blade is in contract with the hardened skin. Carefully pare down the hard skin using slow light strokes to remove fine layers of dead tissue. Take care not to remove new soft skin. After use, secure blade cover for storage.