Andis Carbon-Infused Steel UltraEdge Dog Clipper Blade, Size-T-10, 1/6-Inch Cut Length (22305) - UltraEdge blade is sharpened to exact quality standard - Hand-tested before it is shipped and rockwell hardness rating of 65 - Makes grooming more efficient and saves you time - Compatible with Andis, Conair, Oster and Wahl detachable-style clippers and made of carbon-infused steel - Age range description: All Life Stages