Nectar Collectors are definitely one of the best for oils and concentrates. This kit in particular is perfect and includes everything that is needed. It comes with everything to assemble the nectar collector itself, plus a nice glass dish that definitely is very handy when using. The joint size on this kit is 10mm and the kit comes with the gift box and protective insert. To use this, all you have to do is simply heat the nail and inhale like using a straw.