Geib Wide Stainless Steel Clipper Blades are made of top-quality German stainless steel to easily cut through any type of hair. Cuts smoother runs cooler and lasts longer! These durable replacement blades are crafted with the same precision craftsmanship and care as the incomparable Geib shears and offer a long lasting ultra-sharp edge. Rockwell Hardness of 75. A5 compatible. Made in the USA