NT Cutter 18mm Heavy-Duty Ultra-Sharp Black Snap-Off Blades, 10-Blade/Pack, 1 Pack (BL13P)

NT professional quality snap-off black blades with ultra-sharpness for heavy-duty utility knives. These ultra sharp specialty blades are made of high quality carbon tool steel and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. The process includes a unique “Bluing process” which adds an oxide coating on the blade and gives it a blue-black appearance and protects it from rusting. Through these special procedures, NT created the flawless, rust-resistant professional blades that can effortlessly cut materials without tearing or dragging. Recommended for professional use, due to its fine delicate edge. Made in Japan.