ZWILLING Four Star Flexible Boning Knife 5.5 inch Sleek, polypropylene handles are crafted with a minimum amount of 75% recycled plastics.

A classic for over 45 years, we’ve taken our bestselling Four Star collection to the next, greener level. A commitment towards a more sustainable future, Four Star Eco knife handles are crafted with a minimum amount of 75% recycled plastics.

Our durable and extremely sharp blades are precision-forged in Germany. Combined with ZWILLING’s signature ice-hardening technique, these FRIODUR blades are harder, stay sharper for longer, and resist chips and stains. Honed and hand-finished by skilled artisans, this celebrated collection is the model of safety, ergonomics, and comfort.

This 5.5-inch boning knife features a long, thin, flexible blade for precision trimming when separating meat from bones and joints.

• High-carbon stainless-steel blade
• SIGMAFORGE - Single piece, forged knife
• Durable, ice-hardened FRIODUR blade stays sharper, longer
• Handles are crafted with a minimum amount of 75% recycled plastics
• Honed and hand-finished by master craftsmen to create a long-lasting, razor-sharp edge
• 57 Rockwell Hardness for excellent edge retention
• Dishwasher safe, hand wash recommended
• Made in Solingen, Germany, with lifetime warranty

• 
  
  Item no.
  
  31086-143
  

Characteristics

• 
  Color:
  
  No-Color
  
  
• 
  Country of origin:
  
  Germany
  
  
• 
  Substance:
  
  special formula steel
  
  
• 
  Type of handle:
  
  concealed tang
  
  
• 
  Type of edge:
  
  fine edge
  
  
• 
  Edge finishing:
  
  V-edge
  
  
• 
  Manufacturing method:
  
  forged
  
  
• 
  Blade hardness (HRC):
  
  55-58 HRC
  
  
• 
  Color handle:
  
  Matte Black
  
  
• 
  Substance handle:
  
  plastic
  
  

Measurements

• 
  Net weight:
  
  0.21
  
  lbs
  
  
• 
  Length of product:
  
  10.43
  
  in
  
  
• 
  Width of product:
  
  1.14
  
  in
  
  
• 
  Height of product:
  
  0.79
  
  in
  
  
• 
  Blade length:
  
  5.51
  
  in
  
  
• 
  Handle length:
  
  4.84
  
  in
  
  
• 
  Handle width:
  
  0.87
  
  in
  
  
• 
  Blade width:
  
  0.04
  
  in
  
  
• 
  Blade thickness:
  
  0.04
  
  in