Ceramic blade set for Andis detachable blade clippers. Used for bald fading and high and tight military looks. Can also be used with other brands of detachable type clippers.Andis Replacement Blade Set Size 0000 Fits:- Ceramic AdvancedTM Detachable Blade Clipper (Model:21490)- ExcelTM Detachable Blade Clipper (Model:22310)- BGRC Detachable Blade Clipper (Model:63965)- MGX Detachable Blade Clipper (Model:21495)- ExcelTM 2-Speed Detachable Blade Clipper (Model:22315)- BGR + Rechargeable Detachable Blade Clipper (Model:64850).