DynaVap’s signature Cap is engineered to “click” when heated to the correct and optimal vaping temperature. The invention that started it all, The Cap is made of medical grade stainless steel and makes all DynaVap dry herb vaporizers work. The Cap also features a multitasking digger-outer tool to easily remove herb from your tip when thermal extraction of your herb is completed. The Cap is what makes a DynaVap device a vaporizer and will fit with any DynaVap Tip. THE CAP FEATURES Temperature indicating “click” Digger-outer tool Durably made with stainless steel Note: Sometimes the Cap will click twice. This is completely normal. If your new cap is loose, give it a gentle squeeze to adjust the fit.