uxcell 200pcs M2x5 Copper Via Vias Plated Through Hole Rivets Hollow Grommets PCB Circuit Board Product Name : Hollow Copper Rivet;Material : Brass Plated Metal Color : Gold Tone;Head Dia : 4mm/0.15&#39;&#39; Total Size : 4mmx5mm(Dmax x H);SIze : M2x5mm (Dmin x H) Weight : 18 g Package Contents : 200(+/-2%)Pcs x Hollow Copper Rivet