... ,20000-30000mcd. Shapes,many kinds of shapes available1.Round head series:3mm round head,5mm round head,8mm round head, 10mm ... round head.2.Flat head series:3mm flat head,5mm flat head,8mm indent head,10mm ... indent head,8mm indent head,10mm indent head.4.Square shape series:234 square,257 square.5.Other shapes:5mm straw hat ...