Replacement switch cover for Cloud Nine® original straighteners (Not for C9 - T Touch Models). Cloud Nine original manufactured component, fits : C9-M1.0 C9-M1.1 C9-M1.2 C9-M1.3 C9-L1.0 C9-L1.1 C9-L1.2 C9-L1.3 The model version is found on the inside arm of the hair appliance. This is the cover not the switch component it measures 19 x 11 x 4 mm. SIRIUSHAIR® the company who break hair appliances so you can repair yours.