The Wahl® 5 in 1 Diamond Blade has the new Diamond-Like-Carbon (DLC) coating that allows for higher clipping performance with the strength of diamonds! The new innovative DLC coating allows for higher performance clipping and 40X more durability. The coating provides less friction that leas to faster feeding, giving you a better clip. This premium quality blade has increased serice life and requires less maintenance than blades without the DLC coating. The blade will never get hot and has unmatched cutting performance that is ideal for all coat types.