Introducing our latest innovation - the JRCC001 No Oil Waste Structure Standard 510 Thread. Made in our own factory with the highest quality materials, this product is a game changer for anyone who uses oils. With its unique waste structure, you'll never have to worry about wasting a single drop of oil again. The standard 510 thread allows for easy and convenient use with most vaporizers. This product is a must-have for anyone who values efficiency, convenience and quality. Our factory is committed to producing only the best products and the JRCC001 is no exception. Try it out for yourself and see the difference.