Shear Magic A5 Style Detachable Ceramic Blades. Shear Magic Ceramic blades are the coolest, sharpest and smoothest cutting blade. Ceramic does not conduct heat, so they will run cooler than steel cutters on steel blades. Shear Magic Detachable blade sets fit Oster A5, Oster PowerPro, Andis, Thrive, Wahl and Laube Clippers. Available in a range of sizes with replacement ceramic top blades also available.