200pc Set M4 Thread Plastic Nylon Hex Nut Spacer Screws Pillar PCB Board White
200pcs M4 thread, nylon Hex Nut Spacing Screws set for PCB Computer PC boards, Spacers with male and female threads. 200Pcs M4 Mix Standoff Spacer+Screw+Nut Assorted kit list Spacers Male-Female 6mm + 6mm, M4 10.