Professional process]: made of corrosion-resistant stainless-steel material, diamond-like carbon floor treatment, the blade remains sharp, high temperature resistance, lengthy service life [Note: After replacing the blade, apply blade oil to make it work better] 【Applicable model】: The blade is acceptable for BaBylissPRO model FX870 / FXF880 / FX810 / FX825 / FX673N) trimmer. Precise use, when the blade of BaBylissPRO turns into dull, replace the blade with this (note: the blade set does embody white plastic parts) 【Safety】: This blade has an adjustable hole and is appropriate for coarse or thick hair, as well as for a lot less touchy skin. [High temperature resistance]: This product has solid temperature resistance during use, which is very compatible for professional hairdressers and families.