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ZWILLING Four Star 5.5 -inch Flexible Boning Knife

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ZWILLING J.A. Henckels Four Star 5.5 -inch Flexible Boning Knife is rated 4.8 out of 5 by 29.
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Item no. 31086-143
ZWILLING Four Star 5.5 -inch Flexible Boning Knife
$100.00 $79.99
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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
Characteristics
  • Color: no-color
  • Country of origin: Germany
  • 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 29.
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 Great multi purpose knife This is a knife I didn’t know I needed until I used it. I always thought this was really supposed to be used for just fish or chicken, but you can use this knife for so many other purposes! My friend showed me how to peel fruit with it like oranges and that was a game changer! It cuts so cleanly and with it’s thin profile you can really get a nice slice, whether it’s removing meat from a bone, or skin from fruit or fish, it’s a knife that can be really handy to have in the kitchen when you need it.
Date published: 2020-03-31
Rated 5 out of 5 by from great knife to debone poultry The flex on this boning knife makes it tieh easiest knife to use for a chicken. It moves so smoothly around the edges and doesn't catch on the surface of the bones, just skims right past and edges or angles on the bone. I always had my butcher do most of the work, as my boning skills were sub par, but with this knife I a have no issue buying a whole roaster and de-boning it myself, in fact it's kinda ZEN! Try it!!
Date published: 2020-04-25
Rated 5 out of 5 by from Time tested The four star line has been throughout the last 40 years!! No wonder its a world wide favorite. This knife is excellent for boning and skinning flesh from meats and fish. It will cut the meat cleanly. the flexibility of this blade aids in that process. the four star line is a quality, durable sharp German steel. the handle is smooth and comfortable. Excellent knife to have for specific tasks in the kitchen.
Date published: 2020-04-05
Rated 5 out of 5 by from Excellent Boning Knife It's the perfect tool for working around chicken, roast or ham bones. It's flexible, but very sharp, always a clean cut. Because the handle does not have rivets, it's a little lighter which is perfect for a boning knife; less wear and tear on your hand. Four Star is forged high carbon German steel in Germany the same as Pro so you know it's going to be sharp, stay sharp and last a lifetime.
Date published: 2020-04-15
Rated 4 out of 5 by from This knife is perfect for getting between meat and a bone. I also like to use it for making pockets in pork chops for stuffing. The blade is made from German Special Formula Steel, also forged from one piece of steel so durable for a lifetime. It is razor sharp and can get through any meat. The handle is comfortable and lightweight, a nice option compared to other heavy handle knives.
Date published: 2020-05-11
Rated 5 out of 5 by from Just enough flex I like this knife because it has just enough flex to get a chicken breast out in one big beautiful piece. A super rigid knife would be great at the joints but not so much at the rib bones. These are small nuances, but if you want a knife that meets the needs of professional chef's then this one should be top on your list. Softer, easy-to-grip round-edged handle. Good weight.
Date published: 2020-04-07
Rated 5 out of 5 by from A boning is also a filleting. I have this Four Star boning knife, and I enjoyed using it. I even used it for filleting because it is not too long for my hand. I can trol the blade better than a longer one. This is such a great knife and I could use it to slice fruits and vegetables as well.
Date published: 2020-04-06
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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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