Hi420 manufactured small and compact 5 inch oil dab rig is perfect to smoke oils or waxes. Dabbing oil or wax needs a rig to be smaller and narrower so that the smoke is cooled and transported without any delay. Bigger rigs aren’t preferred for heating oil or waxes because of the higher drag. This oil rig is not only about utility bit also has the good looks. The glass domes are mushrooming shaped and colorful. The dab rig has a 14.5 mm female joint. The body is all glass and the rig comes along with a glass dome and glass nail.