The hardness, strength and corrosion resistance of Zirconia (ZrO2) Ceramic, provides significant advantages compared to traditional stainless steel knives Ceramic Xacto Scalpel Blades $5.00 Add to cart Ceramic Utility Knife blade (Stanley Style) $5.00 Add to cart Ceramic 9mm Retractable cutter (with one blade installed) $13.00 Add to cart