These are made from 6AL-4V specification titanium ultimate strength is 120,000 - 160,000 psi and yield strength is 115,000- 145,000 psi. It is 42% lighter than steel and has a very high resistance to corrosion. It is recommended that an anti-seize compound is used on the threads to prevent galling. Finish is bright silver and in some cases there is the option of a blue colour. Pack sizes are shown and prices are per pack.