Fits Norelco Arcitec shavers as well as various models Compatible With The Following Models: 1050X 1060X 1090X 5615X 5625X 5812XL 6423LC 6615X 6617X 6701X 6705X 6711X 6735X 6844XL 6853XL 6856XL 6940LC 7110X 7140XL 7180XL 7240XL 7310XL 7340XL 7610X 7616X 7617X 7735X 7737X 7745X 7775X 7800XLCC 7810XL 7825XL 7845XL 7864XL 7865XL 7885XL 7886XL 8020X 8040X 8060X 8140XL 8150XL 8151XL 8160XLCC 8170XLCC 8170XL 8240XL 8260XLCC 8825XL 8831XL 8846XL 8865XL 8883XL 9160XL 9170XLCC 9190XL QT4021 Not all models listed.