2 pcs OneBlade Nose & Ear Trimmer Blades, Replacement Blades, Compatible with All OneBlade Models. Compatible with OneBlade (QP21xx), (QP22xx), (QP25xx), (QP26xx), (QP65xx) and (QP66xx) [Efficient & Painless]: The Replacement Blade is crafted from high-quality materials and expert craftsmanship. Thanks to its 360° dual blade rotation system, you can trim ear and nose hair quickly and efficiently. The guard prevents the blade from getting too close to the skin. [Easy to Install & Clean]: Simply remove the old blade, lift the new one, and place it in position. Remember it is waterproof. The cutting head can be rinsed immediately with water, making it easy to clean. [Why Change Blades?]: To keep the blade sharp and avoid worrying about it becoming dull. Regular blade replacement is more hygienic and provides a better experience. We recommend changing blades every six months to maintain sharpness and efficiency.