This blade attachment is for Wahl trimmer models 3205, 3266, 5598, 9653, 9686, 9816, 9818, 9818L, 9837, 9854, 9854L, 9855, 9860, 9864, 9867, 9869, 9870, 9876, 9876L, 9880, 9885, 9886, 9884, 9888, 9892, 9937, 9953, 9984, 9994, 9898, SS2L, WSS3L that use detachable parts. Part numbers 02144, 02141, 59302 and WA59302.