King pens are top selling for all vaporisers. 710 Kingpens has a very clean, good-looking graphic on it’s sleek plastic package. Each cartridge contains 0.5 ml lab tested, solvent free THC oil of the highest quality. King Pens Cartridges Oil Highlights and it is evident that this premium cart is extremely hard to come by and well sought after. The 710 KingPen is LoudPack Extracts personal marijuana / THC vaporizer or “Vape Pen”. As tobacco products take on a similar look-and-feel with their version of the vape pen called, E-Cigs. The stigma associated with marijuana use continues to go up in smoke. Vaping has gained such widespread acceptance in the US and worldwide, that the word. The 710 King Pens is the next-generation, hand-held portable vaporizer. Designed to heat the product to a temperature a drop below the combustion level. It produces a vapor which is inhaled, instead of a smoke. Many medical marijuana patients who are unable to smoke rely on this form of medicating for their high.