Professional Ceramic Edge Series Clipper Blades Save time and money with these Andis CeramicEdge Blades. The high-quality ceramic cutters on these dog clipper blades stay sharper longer and require less sharpening than standard steel blades. Low heat transfer and friction index keeps blades running 50% cooler than steel Ceramic blades use less coolant and clip faster with less downtime Ceramic blades do not heat up, reducing the risk of friction burns Compatible with most Andis, Conair, Oster, and Wahl detachable-style clippers. Material: Carbon-infused steel construction with matte finish plus a ceramic backing and edge Blades are available in the following sizes: Size 40 Blade has a 1/100" Blade Cut Size 30 Blade has a 1/50" Blade Cut Size 5/8 Toe Blade has a 1/32" Blade Cut Size 15 Blade has a 3/64" Blade Cut Size 10 Blade has a 1/16" Blade Cut Size 7F Finish Blade has a 1/8" Blade Cut Size 5F Finish Blade has a 1/4" Blade Cut Size 4 Finish Blade has a 3/8" Blade Cut Size 3 3/4" Skip Tooth Blade has a 1/2" Blade Cut Size 5/8 HT Blade has a 5/8" Blade Cut *Always replace broken or nicked blades to prevent injury.