The 2551 is an improved version of the discontinued 2500 model. Improvements: a stronger spring and an optimized button.
- Design: Benchmade
- Lock: Push Button Automatic
- Blade length: 8.05 cm
- Blade thickness: 2.5 mm
- Length open: 18.7 cm
- Length closed: 10.6 cm
- Blade steel: 154CM (58-61 HRC)
- Weight: 73 grams

