Quality diamond material: The sharpening gun tool uses Japanese diamond plating technology, the sharpening gun shank is made of high carbon steel with. The sharpening rifle of 3000 grains, with a hardness of 60 HRC Refined shape: The 44 cm knife sharpener rod has beautiful outlines. The ergonomic ABS handle also provides greater stability, allowing knives to be sharpened precisely without slipping Professional Knife Sharpener: A quality knife sharpener allows the knife to be as sharp as a razor and cut food without as much resistance as before. This keeps the blade stable and sharpened Easy and safe to use: Place the heel of the blade of the sharpening gun rod at an angle of 20 degrees, sharpen the blade from the handle to the tip, repeat 2 or 3 times, then turn on the other side of the tip until the blade is sharpened Products: Each MITSUMOTO SAKARI knife sharpener is made using modern materials and traditional forging techniques Matériau Diamanté de Qualité: L'outil fusil à aiguiser utilise une technologie japonaise de placage de diamants, la tige fusil à aiguiser est fabriquée en acier à haute teneur en carbone avec. La fusil a aiguiser de 3000 grains, d'une dureté de 60 HRC