for glute injects the length would depend on how much fatty tissue you have in that area. if you do have maybe a half inch of fat there then i'd go with the 1.5. for delts, lats, and quads. go with the 1 inch or .5.
Just wondering if anyone has tried this. I have 10cc syringes, and was thinking one day what if i pulled the plunger all the way out of the syringe then just poured the gear in. By doing it this way one can avoid the long drawn out process of of drawing the oily stuff up. The plunger comes out quit easily and goes back in just as easy.
ill tell you what i took a 22 and i was nervous... it hurt less than the 23 for some reason. for the ass i take one and a half inch sots. for the shoulders annd thighs i take one inch pinz. any more and i'd be afraid of going too deep.( in the delt rea neways)