Master Grooming Tools Steel and Carbon Hybrid Hard Like Diamond Clipper Blade, Size 5F, 1/4-Inch Cut Length The durable, versatile, and economical clipper blade choice for professional groomers! HLD Clipper Blades boast a high micro-hardness and superior wear resistance Forged from an innovative steel/carbon hybrid Designed to be used longer without the risk of overheating, these blades are less likely to cause clipper burn on animals Compatible with A5-style detachable clippers