It’s called the Scorpion II, and it’s manufactured by TrafFix Devices. TrafFix Scorpion II TMA – World's First MASH Eligible TMA“The Scorpion II TMA consists of strut and cartridge sections that are linked together on a support frame,” said TrafFix. “The aluminum boxes are filled with a moisture proof, aluminum honeycomb material,” TrafFix said.” The aluminum boxes are painted with a bright yellow powder-coated finish, for lasting durability.” TrafFix says you’ll need at least a 15,000 pound truck to mount the Scorpion II.