Not sure exactly what size you got or the type flare but there are lots of not too expensive flare tools available and copper is pretty easy to flare. Do a couple of test flares. And depening on the fittings, do NOT FORGET to put the fitting on before the flare is done. there are those who have and those who will with that goof. Do not ask how I know....... If you try it, make sure the cut end is square and no burrs.