HALO Helmet 3PKs Series 1 - Set 4: EOD (Blue), Hayabusa (Red), Eva (Yellow) 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 4 is multicolor Each helmet is approximately 1.5" wide