Maybelline Define A Line Mechanical Eyeliner with Built in Sharpener Ebony Black No sharpening necessary! Our mechanical eyeliner pencil with built in sharpener creates defined eye looks and glides on smooth with precise definition - all in one easy stroke. The contoured smudge tool makes blending easy. Ophthalmologist tested. Suitable for sensitive eyes and contact lens wearers. Packaging May Vary. Glides on smoothly and precisely in just one stroke. Contoured smudge makes blending easy.