This is the wide bore drip tip mouthpiece for Royal Hunter X RDA by Council of Vapor. It is made of delrin and specially designed and made for Royal Hunter X tank. because the Royal Hunter X mouthpiece size is not the normal 510 or 810 type, so you can not use the 510 or 810 drip tips on it. This drip tip is the perfect one for you.
Royal Hunter X RDA Wide Bore Drip Tip
Royal Hunter X RDA Wide Bore Drip Tip