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Ripple - Designed by Ken Onion

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(RippleBlue) Ripple - Designed by Ken Onion
(RippleBlue) Ripple - Designed by Ken Onion
RippleBlue description
Columbia River Knife & Tool® and noted knife designer Ken Onion are proud to introduce their first collaboration together, the Ripple K405 folding knife series.

This knife is noteworthy for its exceptional manufacturing quality, premium stainless steel build, plus an almost unbelievable silky smooth and fast opening action thanks to the use of the IKBS internal knife ball-bearing system.

The modified drop point blade has a high hollow grind, swedged top edge, and a high satin finish. Steel is premium Acuto, stainless, noted for its high chromium and molybdenum content and hardness of 59-60 HRC. It is instantly opened by pressing the blade flipper with either hand. For safety while closed, the blade has a ball detent.

Even the best conventional blade pivot bearings have some degree of friction which resists initial movement, or "stiction." In contrast, the Ripple blade opening action is almost friction-free due to the IKBS ball-bearing system. This innovative and simple design places eight uncaged ball bearings on each side of the blade pivot in races which are machined into the stainless steel handle. It is compact and adjustable at the blade pivot screw if ever needed. Not only is opening and closing exceptionally smooth, the IKBS system is durable and requires little maintenance, and yields a folder with great rigidity and no blade play.

The Ripple K405BX models are frame lock open build knives with stainless steel frames. In typical Ken Onion attention to detail, the frame lock does not create an unsightly gap in the right frame, but its cut is neatly integrated into the grip design of the frame, which is CNC machined with a complex "ripple" textured pattern plus 44 small lightening holes.

The Ripple K405BXP and S receive an ultramarine blue titanium nitride coating, which we then hand buff to give a pocket worn look, that is to lightly reveal the underlying stainless steel on the high points.

The Ripple K405BXP has a Razor-Sharp cutting edge, while the K405BXS features a combined Razor-Sharp and Triple-Point serrated cutting edge.

Both models feature a removable stainless steel mirror-polished pocket clip, high-mounted, and also with small CNC-drilled holes.

This knife combines brilliant design, custom knife quality, and advanced manufacturing technology in true Ken Onion fashion.


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Number of Reviews: 3
  • 2012-10-22
    palo alto, CA
I have a one from the first production run. The last thing I call this is easy opening. I find the foirce require to make it an unsafe knife. Granted I should not compare this to flippers like Strider and Hinderer. But I should not be forcing the blade like this. I just got it back from CRKT server 2 days ago. Still not easy opening.

  • 2012-05-22
    bangkok, TX
I hav many EDC knives in my collection but Ripple is the one I always carrying. This knife is very unique in design, ergonomic, easy to operate with unbelievable light weight Good fit in my hand. The edge is very sharp strong Over all, I love this knife much and plan to buy 2nd one, aluminium version, which is cheaper. The only problem is I'm living in Far East, so far away from USA. Our price here is so high and not many knife models to select. Hav to ask friends carry from USA..... My hat off to designer, Ken Onion, CRKT for producing a very good knife for us.

  • 2012-04-03
    fpo, AP
I had it for some time it is a great knife but some one stoled it now i am tring to get a new one but it looks like it is always out of stock



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Ripple - Designed by Ken Onion

Item Number: RippleBlue
 
Price: 
$135.00
Discontinued
 
Select Cutting Edge Type:
Combination Edge(K405BXS) - $135.00
 
 


Product Specifications
Dimensions
Open Overall Length7.5 inches
Closed Length4.375 inches
Weight2.9 ounces

Blade
Length3.125 inches
Thickness0.1 inches
MaterialAcuto+
Blade-HRC59-60
FinishSatin
GrindHollow
StyleKen Onion Drop Point

Handle
Material420J2

Lock
TypeFrame Lock

Carry
Carry System1 Position Clip

Features
IKBSYes

Product Information
Product Accessories
 
 
DESIGNER CORNER
Ken Onion
Ken Onion - Though I have been a devout knife collector since childhood, collecting mostly production knives and anything else I could find, I was unaware of the custom knife industry until 1989 when...
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