The Whirlwind is an assisted opening knife with SpeedSafe technology from Kershaw and Ken Onion! Give the thumb-stud a push and the knife takes over and finishes opening the blade. The Whirlwind has a 14C28N satin finished blade with a partially serrated edge. The handle is glass-filled nylon (GFN) for its toughness and lightweight attributes. Black finished tip-down pocket clip for everyday carry.
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The blade is durable and attractive, I have used it many times as a utility knife on plumbing jobs and the serrated edge comes in handy. The only thing keeping me from giving it a 5 star review is the handle and the lack of a flipper. If it had a handle similar to the blur or clash I would like it a lot better.