Description: Material: 6AL/4V(TC4)Titanium Alloy,Grade 5 Size: M5x8 10 12 15 18 20 25 30mm Color: Titanium/Gold/Rainbow/Black Pitch: 0.8 mm Weight: about 3~5g/piece Price is for only for 1 Titanium Bolt. (Note: Bolt length measurement does not include bolt head)