From M2 to M2.5,with flower thread,
Size*Diameter*Length(MM)
1.M2*1.6*20
2.M2*1.6*25
3.M2*1.6*30
4.M2*1.6*35
5.M2*1.6*40
6.M2*1.6*45
7.M2*1.6*50
8.M2*1.6*55
9.M2*1.6*60
10.M2*1.6*65
12.M2*1.6*70
14.M2*1.6*75
M2*2.0*40/45/50/55/60/65/70/75/80/90/100/110/120
M3*2.5*40/45/50...................................