Geib Buttercut dog clipper blade is crafted with the same care and quality as the incomparable Geib Shears. Made of premium-quality, high-carbon German stainless steel to cut precisely and cleanly for superior results. Rockwell hardness is 70. Edges stay ultra-sharp longer for lasting performance and durability. Geib Buttercut dog clipper blades are designed for use with all type A5 blades. Comes with 40 size and 1/100-inch blade cut length. Measures 2-inch length by 2-inch width by 4/5-inch height.