This is a complete 20 piece Titanium Lug Bolt Set for the Mercedes AMG GT GTS GTR and GTC (2015+). Manufactured from aerospace grade 6AL4V Titanium, these titanium lug bolts will not corrode or rust and offer a significant weight savings on your car while giving a very sporty and aggressive look. Rolled threads for superior fatigue resistance. Available in natural 6AL4V Titanium color. Standard bolt length is 29mm so if you are using spacers please choose accordingly. We have successfully used +15mm front and rear spacers when the car is lowered it fits nice and flush.