- Special coating of the rollers for effective callus removal, removes callus, but does not hurt the normal skin layer\n- Splash-proof housing (IPX 4) (easy cleaning)\n- 2 exchangeable rollers (coarse and fine) in different colors (hygienic use for several persons)\n- Quick change by simple click system\n- The grinding insert rotates by 360°, 45 times per second Ergonomic handle\n- More gentle, faster, more effective, and safer than metal scrapers or files\n- Removes and smoothes dry, rough, and horny skin on feet, hands, elbows, etc.\n- Reaches even difficult to access places\n- Device head removable for easy cleaning\n- Also suitable for diabetics after consultation with a general practitioner\n- Cleaning brush included\n- Battery operation: 2 x 1.5 V (UM3/AA/LR6) (batteries not included)