Replacement pair of 47ohm R8 and R11 resistors for versions of GHD model 4.2B The model number is found on the inner non switch side arm label of the hair straightener. This is for GHD 4.2B with both an R8 and R11 resistor, if yours does not have an R11 you need our other listing for a 100 ohm resistor. You are purchasing two resistors for replacing the 50 ohm resistors on the motherboard which are a common component to fail. The image of the motherboard is simply to show the location of the resistors and is not included. You will require a soldering iron and multimeter to replace the resistors. SIRIUSHAIR® the company who break hair appliances so you can repair yours.