Professional process]: made from corrosion-resistant chrome steel material, diamond-like carbon surface treatment, the blade stays sharp, hot temperature resistance, lengthy provider life [Note: After changing the blade, stick to blade oil to make it work better] 【Applicable model】: The blade is appropriate for BaBylissPRO model FX870 / FXF880 / FX810 / FX825 / FX673N) trimmer. Precise use, when the blade of BaBylissPRO becomes dull, update the blade with this (note: the blade set does encompass white plastic parts) 【Safety】: This blade has an adjustable gap and is acceptable for coarse or thick hair, as well as for less touchy skin. [High temperature resistance]: This product has stable temperature resistance right through use, which is terribly right for pro hairdressers and families.