5400SBK Serum AXIS Dual-Action AUTO 3.47″ Black Combo Blade, G10


In stock (can be backordered)

SKU: 18106 Categories: , Tag:


The 5400 Serum knife features the revolutionary AXIS dual-action mechanism. One of the strongest, most versatile automatic mechanisms on the market for nearly 20 years has evolved. The AXIS Dual-Action automatic or manual opening combines the superior ambidextrous function of the manual AXIS with a covert automatic action triggered by pulling the AXIS bar down further. No matter the job, the AXIS dual-action has you covered.

Featuring 154CM stainless steel, this is a proven steel for tactical applications. Its well-balanced characteristics promote performance in the most demanding situations asked of in a tactical folder. 154CM is a martensitic stainless steel with molybdenum content. The molybdenum is what gives 154CM good toughness which is based off a combination of ductility and strength. In addition, 154CM has good hardness and corrosion resistance qualities.


  • AXIS dual-action mechanism
  • Modified drop-point blade
  • 154CM stainless steel blade (58-60HRC)
  • Black machined G10 handle scales with full stainless steel liners
  • Reversible tip-up pocket clip


  • Blade Length: 3.47″ (8.81 cm)
  • Blade Thickness: 0.120″ (3.05 mm)
  • Open: 8.09″ (20.55 cm)
  • Closed: 4.70″ (11.94 cm)
  • Weight: 4.63 oz. (131.26 g)
  • Handle Thickness: 0.58″ (14.63 mm)
  • Made in USA
Additional information

Additional information

Weight 0.3 lbs

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