Benchmade 290BK Crater Blue Billet Aluminum Full Immunity


  • Blade Length: 2.49″ (6.32 cm)
  • Closed Length: 3.46″ (8.79 cm)
  • Overall Length: 5.94″ (15.09 cm)
  • Blade Material: CPM-M4 Super Tool Steel
  • Blade Thickness: 0.090″ (2.286 mm)
  • Blade Hardness: 62-64HRC
  • Blade Style: Wharncliffe
  • Blade Finish: Cobalt Black
  • Handle Material: Crater Blue Anodized 6061-T6 Billet Aluminum
  • Handle Thickness: 0.50″ (12.70 mm)
  • Locking Mechanism: AXIS
  • Pocket Clip: Deep Carry, Reversible, Tip-Down
  • Weight: 2.29 oz. (64.92 g)
  • Class: Black
  • Made in the USA
SKU: bm290bk Categories: ,


Manual version of the full-size Immunity folding knife. The EDC world just leveled up in a big way. With the Immunity family, a sub 2.5″ CPM-M4 Wharncliffe Blade, and a svelte anodized aluminum handle, you’ve got a nails-tough tool that’s small enough to carry in a suit jacket or even running gear.