Doctor Who - LED Torch Key Ring 12th Doctor's Sonic Screwdriver 9 cm €15.00 Default Title - €15.00 Quantity This product is currently unavailable. Please fill in the form below if you'd like to be notified when it becomes available. Dr Who - 11th Dr Sonic Screwdriver LED Torch Key Ring.Size: 9 cm longRequires: 3x G3 Button Cell Batteries (included).