Replace the foil and cutter: Replace the for Wahl 8164 lithium foil shaver, when the foil and cutter get dull, you could possibly replace them to keep the razor in supreme reducing shape. Zero finish: Gold titanium foil for 0 finish, ultra-thin, appropriate for doubtless essentially the most sensitive skin without pain or irritation. No bumps: Diamond surface treatment allows dry trimming, zero overlap and ultra-tight, clean shaving with out razor bumps or irritation. Easy Replacement: is very handy and easy. High-quality materials, continuous, high-quality and easy to use. Applicable to the for Wahl Five-star Carving Knife Net Colour:Black Material:Metal+ABS Package Contents: 1 * Replacement Shaver Head 2 * Blade Only the above package content, different item will not be included. Note: Light mirrored image and diversified reveals may cause the colour of the article in the photo a little diversified from the real thing. The measurement allowed error is +/- 1-3cm.