Uxcell a15062200ux0540 Nylon Hex PCB Spacer Standoff Pillar Female Screw Nut, 50 Piece, M3 x 20 mm, Black Country of manufacture: China; material: nylon Net weight: 25G; package content: 50(+/-2 percent ) x Hex standoff spacer Main color: black; thread diameter(b): M3 Hex width): 5mm/0. 2"; Female thread length(l): 20mm/0. 8" Product name: Hex standoff spacer