YC provides multiple choice of tips for craft lover to express their imagination on their art work. Over thirty tips can be screw easily on the SP and HF series tools. There is an accessory box for keeping the interchangeable tips. In this way, you will have an economical tool kit for the customers. For the tips changing, you have instructions to follow, and they are printed on the insert cards. One needs to use pliers to change the tips while it is still hot. Otherwise, the tip will "freeze" onto the tool when it cools down.