The 440C Steel Knife: Your Tough and Sharp Default Blade Crafted from super-strong 440C steel, this blade means business. It&';s a high-carbon stainless steel, known for being tough, durable, and resistant to rust. We&';ve even given it a heat treatment to amp up its hardness to 58-60 HRC - making it as tough as you are. Features: Quality Steel: Made from high-quality 440C steel, this blade is built to handle whatever you throw at it. Built to Last: Incredibly strong, tough, and durable, this blade is your partner for the long haul. Sharper, Longer: Easily sharpened and maintains its edge, ensuring you&';re always ready for action. Versatile: From slicing to dicing, it&';s your go-to tool for a variety of tasks. Rust-Resistant: Say goodbye to corrosion worries. The 440C steel fights off rust, ensuring your blade lasts longer, even in the toughest environments. Upgrade your toolkit with the 440C Blade - the perfect blend of strength, durability, and sharpness for the heroes of construction and electricity!