I recently started HRT and they sent 1" pins for the injections. I'm used to using 1-1/2 for glutes, 5/8 for delts, and 1" for quads. They claim that the 1" can be used for all of these sites. My bf% is low, about 13, and I'd think this would be great if it is true. What is your opinion, can a 1" pin be used in all three injection sites effectively? (disregarding gage of course for the discussion)