TRAINER - 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.
COMPRESSION LOCK - Developed and patented by Spyderco, the compression lock mechanism uses a leaf-like spring from a split liner in the handle to wedge laterally between a ramp on the blade tang and the stop pin (or anvil pin).
G-10 HANDLE - An epoxy filled woven glass fiber that is rigid, non-slip, and impervious to temperature changes and chemicals.