A sharpened knife blade with no serrations or teeth is sometimes referred to as a “smooth blade”.
Spyderco’s two-step serration patterns consist of one large and two small serrations. The pattern increases the cutting edge’s surface area by up to 24%.
A blade that is partially PlainEdge and partially SpyderEdge at the cutting edge.
A non-sharpened blade that is identical in weight and proportion to its live counterpart and used for training and practice purposes. Spyderco trainers are red-handled denoting they are non-sharpened.