Titanium lug nuts closed type 40mm.
Super light and strong titanium ti6al-4v alloy(most popular in f1 application).
Made closed 40mm lug nuts -best way to protect your wheel studs for road application.40 mm size allows to use it with long studs even if nut is closed type.
We also offer open type race lug nuts.
DLC(diamond like)and TI-N coating add an option.
1.25 thread.If you need 1.5 -please send your request.