Micro serrated edge offers increased longevity of the blades and will perform with superior precision. Its unique attribute is the micro-teeth cut at 45? angle (normally 90?) to produce a smooth cutting action. Choose between 100% serrated blade or a 30% serration. It will surpass your expectations! Made form Hitachi V-10 colbalt steel to hold up on the thickest hair. Features: Forged Hitachi V-10 Colbalt Steel Slide-cut convex edge Additional Details ------------------------------ Product description: Micro serrated edge offers increased longevity of the blades and will perform with superior precision. Its unique attribute is the micro-teeth cut at 45˚ angle (normally 90˚) to produce a smooth cutting action. Choose between 100% serrated blade or a 30% serration. It will surpass your expectations! Made form Hitachi V-10 colbalt steel to hold up on the thickest hair. Features: Forged Hitachi V-10 Colbalt Steel Slide-cut convex edge