Conair Pro Pet Clipper/Trimmer Replacement Blade for PGRD500 Durable performance Stainless steel Self-sharpening Precision honed Replacement Blade for ConairPRO Dog PGRD500 16 piece cord/cordless home grooming kit This is a Conair replacement part Part Number PGRB500 This is an O.E.M. part Durable performance Stainless steel Self-sharpening Precision honed Replacement blade for conairpro dog pgrd500 16-Piece cord/cordless home grooming kit