ITEM NAME:M3 Male x M3 Female 8mm Long Hexagonal Brass PCB Standoffs Spacers 50 Pcs J5E1 M3 Male x M3 Female 8mm Long Hexagonal Brass PCB Standoffs Spacers 50 Pcs J5E1 Product Name : Standoff Hexagonal Spacer;Thread Size : M3 Male x M3 Female Male Thread Length : 4mm;Body Length : 8mm Overall Size(Approx) : 12 x 5mm / 0.5" x 0.2" (L*Max.D);Material : Brass Color : Gold Tone;Net Weight : 55g Package Content : 50 Pcs x Standoff Hexagonal Spacer Length quoted is hexagonal spacer length, the hexagon does not skid easily. Fix between PC board and machine board. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.