Fits Norelco Quadra Action models 7886XL, 7885XL, 7866XL, 7865XL, 7864XL, 7845XL, 7825XL, 7617X, 7616X, 6891XL, 6887XL, 6886XL, 6885XL, 6867XL, 6866XL, 6865XL, 6848XL, 6846XL, 6829XL, 6828XL and 6826XL. 3 Cutters and 3 Combs Not all Quadra models may be listed