This is a genuine Skil 1619X02971 1619X08308 Strain Relief Cord Guard tool replacement part. The cord guard is compatible with the following tool models HD5750, 5825, HD77, HD77M, 5860, SHD77, SHD77M, HD77M-72, HD5860, HD77-72, 5865, MAG77LT, HD77, SHD77M, HD77M, MAG77-75, SHD77-72, CS10, 1677M, 1678A, 1677C-100, 1677DC-100 (Sold Separately). Please reference the tool diagram to ensure part compatibility before ordering.