The Quantum Drip Tips are designed to be used with boro style devices and comes in three parts, a threaded driptip houseing that'screws into the top of your boro device, a beauty ring and a 510 mouthpiece putting them all together creates a almost seemless driptip and allows you to further customise your boro device. Available in two styles, Regular and Rounded, the regular has "Stadium" Shape, two flat edges and two rounded edges to whereas the rounded is just that its round all the way around. Each is available in multiple materials from PET, Delrin, Peek, Ultem, Titanium, Stainless steel and PMMA.