Satin blue M7x30mm countersunk wingscrew set for Armstrong Performance mast
M7x30mm wingscrew set for the new Armstrong Performance series masts. Satin blue aluminum wingnuts with 6AL-4V Grade 5 titanium studs. Slightly longer than stock Armstrong screws, these wingscrews are about equivalent in length to a 31mm screw. These will NOT work with the standard Armstrong mast.