QMx Firefly HD Key Chain This famed series-3 transport ship has arrived from the QMx Caliber Metalworks, ready to haul your keys to the Rim of the Verse and beyond The Firefly HD Key Chain is a major upgrade of the original Firefly Key Chain, sporting more than 10x the amount of detail for the same price It was created using the eponymous TV series' special-effects files and carefully scaling the ship down to a length of about 2.5 inches Cast in a solid metal-alloy with a pewter finish and an incredible amount of laser-cut detail