Geof Dumas Rotten EX10 Balisong Butterfly Knife Titanium (4.25" Satin)

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Item #BHQ-49536


  • Overall Length:9.75"
  • Blade Length:4.25"
  • Cutting Edge:4.00"
  • Blade Thickness:0.13"
  • Blade Material:CPM-154
  • Blade Style:Clip Point
  • Blade Grind:Hollow
  • Finish:Satin
  • Edge Type:Plain
  • Handle Length:5.50"
  • Handle Thickness:0.48"
  • Handle Material:Titanium
  • Color:Gray
  • Weight:4.72 oz.
  • Sheath:Pouch
  • Knife Type:Butterfly
  • Brand:Geof Dumas Original Knives
  • Model:EX10
  • Designer:Geof Dumas, Jon Sorenson
  • Country of Origin:USA
  • Best Use:Recreation
  • Product Type:Knife


The EX10 Balisong is a semi-custom release from Geof Dumas Original Knives. Geof Dumas is a custom knifemaker producing high performance balisongs for the flipping community. This particular run of the EX10 is a collaboration with Jon Sorenson of Rotten Designs, who did the fantastic blade grinds on these knives. This EX10 model has a titanium handle and a satin finished clip point blade.

  • CPM154 stainless steel blade provides a hardness of 60 RC.
  • 440c bushing pivots offer smooth flipping action.
  • 1/2" thick 6Al4V titanium handles with a milled texture for added grip.
  • Stainless steel spacers and latch with T8 screw construction.

Please Note: After break-in period and tuning, please maintain pivot screws with thread locker. As with all Balisongs, we recommend checking the screws regularly.


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