Andis Ceramic Edge Clipper Blades give you an edge over other blades due to their advanced engineering with the latest technology, and certified Zirconium Oxide Ceramic increases durability. At the same time, the carbonized steel extends edge life. Ceramic cutters stay sharp and run 75% cooler than steel cutters, allowing less downtime and a faster clipping process. The Andis blade in size #1 leaves 2.4mm of hair and fits clippers in series: AG, AGC, DBLC, FHC, BG, SMC, MBG, and Oster A5 and 76 models.