Your nozzle cleaning pin will not be found in the box - this is because it is already slotted into your machine. Have a look at the unit, and you will find it in the side or rear of your machine. It is about the size of a postage stamp.
Our cordless pressure washers are not supplied with a nozzle pin, please ensure that your nozzles are kept clean, if you choose to use saltwater or water from a lake/stream, it is important to flush the machine through with fresh water at earliest opportunity to prevent any corrosion.