High quality brand new high density, free flowing spherical magnesium from E.S.M.. This particle size is used in magnesium flares, flash/stun and other similar military ordnance. In other pyrotechnic use, it can also provide the high candella silvery tail for rockets, comets, stars, star cores, spolettes, tracers, exploding targets, flash/bangs, and in thermites. Can be shipped by USPS in one pound bags without hazmat fees. No ATFE required to purchase, no quantity restrictions.