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ZWILLING Four Star 5.5 -inch Flexible Boning Knife

#31086-143
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ZWILLING J.A. Henckels Four Star 5.5 -inch Flexible Boning Knife is rated 4.8 out of 5 by 6.
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ZWILLING Four Star 5.5 -inch Flexible Boning Knife
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Additional Information

FOUR STAR is the top-selling knife series of ZWILLING J.A. Henckels worldwide. Honed and hand-finished by the most skilled artisans, this celebrated collection is the model of safety, ergonomics, and comfort. Thanks to their seamless transition from bolster to handle, the knives are comfortable to use for long periods of time. The bolster provides the right balance while acting as a safe finger guard.

The knives are made of proprietary special formula steel that has been perfected for over 280 years. Combined with ZWILLING's signature ice-hardening technique, these FRIODUR blades are harder, sharper, they will NOT STAIN or chip and they retain their sharpness longer. Precision-forged from a single piece of steel, the SIGMAFORGE knives have an exceptionally sturdy, balanced and flexible blade.

  • Manufactured in Germany
  • Special formula high carbon NO STAIN steel
  • SIGMAFORGE knife is forged from a single piece of solid steel
  • Ice-hardened FRIODUR blade starts sharper, stays sharper longer, and has superior resilience
  • Precision-honed blade and laser-controlled edge ensures ideal cutting angle for sharpness and durability
  • Ergonomic polypropylene handles permanently bonded for seamless accuracy and gaps
  • 57 Rockwell Hardness = excellent edge retention
  • Edge angle 15 degrees per side
Charasteristics
  • Substance: German Stainless Steel
  • Type of handle: exposed tang
  • Type of edge: Fine Edge
  • Manufacturing method: forged
  • Blade hardness (HRC): 55-58 HRC
Measurements
  • Net weight: 0.40 lbs
  • Blade length: 5.51 in
  • Handle length: 4.33 in
ZWILLING J.A. Henckels Four Star 5.5 -inch Flexible Boning Knife is rated 4.8 out of 5 by 6.
Rated 4 out of 5 by from Gets the job done I work in a fish shop.. we got 4 of these on standby.. I love the blade stifness for filletting.. for deskinning its a bit hard maybe but u get used to it. I wish the finish on the back of the blade would be a bit smoother so id get a little less wear on the fingers.. other than that its a perfect blade more than adequate for occasionally filleting some fish..
Date published: 2017-08-26
Rated 5 out of 5 by from Best knives ever I bought my mom a boning knife 20+ years ago. I have wanted one for a long time. Love the solid handle
Date published: 2017-06-03
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How flexible is flexible? I am trying to replace my knife that because I broke the tip off. The knife itself does not bend easily, we use it a great deal. We slice grave lox easily with it.

Asked by: PattiS
This blade is made thin and flexible specifically to follow curves when cutting. The knife is not rigid and fixed like other knives to prevent it from loosening in the handle or breaking while boning meat.
Answered by: ZWILLING
Date published: 2018-07-25

I own one of these knives and love it. At a thrift store, I found another one, identical in design, only it is not a knife because there is no cutting edge & the end of it is round. What is this piece to be used for??

Asked by: Hurricane
It is difficult to tell without seeing it, but it could be a tool for shucking shell fish, a spatula, or even some type of utility knife.
Answered by: Zwilling Customer Support
Date published: 2017-05-09
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