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Summary: The Gillette Fusion Precision Trimmer is a single blade that gives you more control over the look of your facial hair, keeping the edges clean and even. Create a variety of styles using this versatile tool.
"For any of your facial hair that needs sculpting or to simply get a clean finish to your shave, use a single blade like Gillette Fusion's Precision Trimmer which gives you greater precision and more control. Single blades are excellent for trimming under your nose, as well as for shaping facial hair."
eHow Article: How to Trim & Shape Facial Hair