Replace the foil and cutter: Replace the for 8164 lithium foil shaver, when the foil and cutter get dull, you can replace them to keep the in excellent cutting shape. Zero finish: Gold titanium foil for zero finish, ultra-thin, suitable for the most sensitive skin without pain or irritation. No bumps: Diamond treatment enables dry trimming, zero overlap and ultra-tight, clean shaving without bumps or irritation. Easy Replacement: is very convenient and easy. High-quality materials, continuous, efficient and easy to use. Applicable to the for Carving Knife Net Colour:Black Material:Metal+ABS Package Contents: 1 * Replacement Shaver Head 2 * Blade Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.