From their announcement:
Aventine have just produced the first of a large range covering the Early/Middle Imperial Roman period 160-190AD. The first packs include 7 sets of 4 legionaries in Lorica Segmentata and 2 command packs, more will follow in mail and scale. The first figures all have Nieder Mormter helmets but we will be adding three more different ones soon. 28mm in white metal.