Fits Norelco 5800 series Reflex Action models 5887XL, 5886XL, 5885XL, 5867XL, 5865XL, 5864XL, 5863XL, 5862XL, 5861XL, 5855XL, 5849XL, 5848XL, 5845XL, 5842XL, 5841XL, 5825XL, 5822XL, 5821XL, 5818XL, 5817XL, 5814XL, 5811XL, 5810XL, 5803XL, 5802XL, 5801XL, 5605x, 5604X, 5603X, 5602X, 5601X, 5699X and Q-One Not all Reflex Action models may be listed