The sharp 23 cm (9”) Condor Fillet Blade moves extremely smoothly through the fish and you get clean-cut fillets easily. The extraordinarily sharp and flexible blade follows the contour of the fish easily. he extraordinarily sharp and flexible blade follows the contours of the fish perfectly. The Stainless Steel used by Marttiini is easy to maintain as the Stainless Steel Blade remains sharp for long. Chromium makes up 13% of the steel mixture and the hardness of the mixture is 53-54 Rockwell units (HRC). A Diamond Sharpener is recommended for sharpening Chromium Steel, but other sharpeners will also work. The patented design, textured Rubber Handle and the Finger Guard ensure a firm Grip of the Knife even in difficult conditions. The Rubber Handle feels pleasantly warm to touch even under outdoor conditions, for instance in freezing or wet weather. This Blade length is suitable for processing medium to large-sized fish. Many other kitchen chores, such as slicing vegetables also become easy with this knife. The Filleting Knife is supplied with a Leather Belt Sheath. The heath has a plastic sleeve inside that supports the sheath and protects the blade. Note: Even though the blades of these knives are extremely tough fillet knives are not made for steaking fish or cutting through bones. Technical Specifications: