Uxcell a15091700ux0344 100pcs M5x12 Through Hole Rivets Hollow Grommets PCB Circuit Board Product Name : hollow Copper rivet; material : brass plated metal Color : Gold tone; head Dia : 8mm/0.31&#39; &#39; Total size : 8mmx12mm(dmax x H); size : m5x12mm (dmin x H) Weight : 59 g Package contents : 100(+/-2%)pcs x hollow Copper rivet