vials? Need Help

im confused with all the different viles n stuff? if im doin 500mg test weekly for 10-12weeks, wut kinda vial shud i get? in india i had these lil glass viles of test enan, n the top part wuz hollow. ne idea wat size they were? they were prolly one use vials rite? the ones where u snap off the top. also, the ones that r bigger and re-usable, wut size r those? i dont get the IU thing and milligrams cuz ive never done it b4, n i dont kno the markings on the syringes. can i get sum help guys? thanks

the smaller ones you are referring to are called amps....there are probably some good threads in the educational forum that you will want to read

there's amps - usually have 1 or 2 cc's
there's vials / bottles - usually have 10 cc's, some have 20, some things have 30