Self-sharpening, high-carbon stainless steel blades are precision ground to stay sharp longer. Thumb adjustable taper control allows multiple cutting lengths with a simple flip of the lever. Clipper guide combs make it easy to get the perfect cut. Trimmer is perfect for cleaning up neck-lines, side burns, and trimming around the ears. Ergonomic clipper and trimmer shape makes it easy to hold and cut at different angles. Step by step, instructions.