Item DescriptionTypeM10x23 30 40 50 60mmThread Size:M10X1.25mm pitchMeterial:6AL/4V Titanium Alloy(GR5)Color:Gold,Rainbow,Burning bluelength:23/30/40/50/60mm(Excluding head) Weight:M10X20/30/40/50/60,about 10.5g/12.6g/15.5g/18.75g/22.3g/ 1pcNumber in Pack:1pc/a order(you can only get 1pc with a order)