Need to load lots of 9mm into your Glock 43X and 48 magazine? Are you finding it hard to do? Have a sore thumb from do it? Give the Speed Beez Lever Loader a try. Easy to learn how insert the magazine into the loader it locks in and releases the same way as it does in your Glock. Next drop a round into the hole (case first), using a scissors motion will load the round into the magazine. Just repeat until your mags are full. The lever loader give you the mechanical advantage you're looking for, for your Glock mags.