Why Replace The Blade】:Trimmer usage over time will cause the blade to gradually dull. We recommend replacing your blade every 2-3 months to keep it sharp and efficient. 【FIT Model】:FX707Z DLC 2.0 Replacement Blades Compatible with BaByliss PRO Barberology Trimmer Blade,Gold FX Replacement Trimmer Blade Compatible with BaBylissPRO FX787 & FX726 Trimmer 【Premium Professional Blade】: Professional Detachable Hair Clipper Replacement Blades delivers the sharp performance that experts demand.But Blades are not adjustable to a zero-gap, intended for professional use only 【Heat Resistant】: This blade is heat resistant, cooler and more comfortable for smooth cutting. was a good experience DLC Trimmer Replacement Blades for BaByliss PRO Barberology Trimmer Blade,DLC 2.0 Trimmer Blade for BaByliss FX787 & FX726 Trimmer