... feathure:(1) material: tin/tole.(2) round,oval,square,and rectangular shapes,and othere shaples are available(3) processing: silk printing on ... . pin,pins,mental pin,mental pins,flashing pin,promotion pin,promotion pins,enamel metal pin,lapel pin,custom lapel pin,metal lapel pin,guide pin,parallel dowel pin,taper pin,taper dowel pin,threaded pin,straight ...