This Andis clipper 01690 is a heavy-duty clipper designed for prolonged use and tough hair cutting jobs. it features unbreakable, lightweight aluminum housing making it one of the most durable clippers on the market. it has a powerful magnetic motor that runs at 14,000 strokes per minute but stays quiet and cool for a calm cut. a single lever adjusts the clipper blades from fine to coarse length and the thumb-controlled side switch makes it easy to use with one hand. it’s an all-around clipper perfect for tapering.