These don't get talked about very often, so I thought I would drop a little info here for anyone that may be curious. Grafo is a German brand, which is now also part of the Harder and Steenbeck family of brushes. The originals date back to pre-WW2, and have been updated to take advantage of some of the precision found in the other Harder and Steenbeck brushes. The finishes, fit, and attention to detail are superb, throughout. With their roots in the past, the trigger is a fixed double action affair, just like those found on many of the other German brands from the past, such as Efbe, Prinze, Heikel, and Gabbert (as examples). This means there is no pressing down on the trigger - just pulling it back. The very fist part of the rearward movement initiates airflow. Continued rearward movement will then initiate needle movement, and paint flow. Once you get passed the fact you don't have to press down for air, the trigger feel can be really nice. I usually have to get a finger cramp from trying to mash the trigger down, before I remember there is no need to - before I relax, and just work the trigger back and forth. They can be among the lightest triggers out there... Needles and nozzles are exactly like those from the Harder and Steenbeck Infinity, and are completely interchangeable. I had missed out on a deal for a Grafo T2 (side feed), so in order to add one to my collection, I purchased a brand new one from Spraygunner.com. The T2 has a screw on side cup feed tube, which in turn takes twist on color cups. 4 cups come with the brush. It is a cool setup, but does not really fit my particular work style well, so I made an adapter to allow the use of regular Iwata or Aztek color cups. It simply screws into the side feed port, and is sized to accept the stem of an Iwata color cup. I already had a Grafo T1 (samll gravity feed cup) in my collection, which I took out to play with alongside the new T2. After much experimentation, and testing, I decided on leaving the T2 set up with a .2 needle and nozzle finished off with the crown cap detail aircap from an Infinity. I changed out the older v1 needle in the T1 for a v2, and have it setup as a .15 - also finished off with the Infinity crown cap setup. Atomization is super smooth, and the potential for fine detail out of these brushes is fantastic. I don't always feel like I can get the best out of an Infinity, but feel like I could use one of these all day long without issue. I am a fan, for sure.