HALO Helmet 3PKs Series 1 - Set 3: Master Chief (Green), Rogue (Silver), CQB (Orange) Helmets are interchangeable with the McFarlane 12" HALO figures Each helmet includes a 3" custom base Each custom base can interlock and be displayed on a flat-surface or separately wall-mounted Set 3 is multicolor Each helmet is approximately 1.5" wide