Armstrong Carbon Mk 2 Foil MastArmstrong MK II Carbon Foil Mast Step up to carbon and feel the difference. The Mk II delivers a locked in, responsive ride that rewards clean technique while staying forgiving when you push it. Built on a 15. 8 mm profile, it gives you the control you need across every speed and discipline, without the learning curve. This is your entry into Armstrong carbon. Engineered for progression, it holds its stiffness session after session and cuts through