What metal makes the sharpest blade in the world (I know obsidian makes the sharpest blades but I'm focusing on metal)? - Quora
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Taylors Eye Witness Ceramic Blade Utility Knife with Sheath 5 Inch/13 cm. White Zirconia Ceramic Blade with Black Soft Grip Handle. Corrosion/Rust Resistant. Stays sharp far longer than steel. : Amazon.co.uk: Home
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