This is a complete 20 piece Titanium Lug Bolt Set for all years of the Porsche Boxster including Porsche 718 or Macan. Manufactured from aerospace grade 6AL4V Titanium, these titanium lug bolts will not corrode or rust and offer a significant weight savings on your Porsche while giving a very sporty and aggressive look. Rolled threads for superior fatigue resistance. Available in natural 6AL4V Titanium color. 19mm hex head, M14x1.5x29 with a 29mm shaft length which is the original length unless you are using spacers.