Without a script the only thing that comes to mind is the bigger ones used for injecting turkeys with spice prior to frying.
The Fraternity of Dirt
If at first you don't succeed,,, keep kicking it RubberSideDownOnTheLanding, 2-75g planted, 5-55g planted, 5-20g planted, 110g w/30g sump, 8-10g, Refugium, doghouse/newbie 2012 update adding table top pleco pans & a 90g (Nutz)
CVS and any pharmacy have oral syringes, which have the plastic end. If you're looking for one with a metal needle for injections, good luck finding one without a prescription! Be careful who you ask, or you'll be mistaken for a junkie! :p