Uxcell a15091700ux0361 200pcs M3x8 Through Hole Rivets Hollow Grommets PCB Circuit Board Product Name : hollow Copper rivet; material : brass plated metal Color : Gold tone; head Dia : 5mm/0.19&#39; &#39; Total size : 5mmx8mm(dmax x H); size : m3x8mm (dmin x H) Weight : 47 g Package contents : 200(+/-2%)pcs x hollow Copper rivet