Description:

Material: Brass

   Size:

Male-Female spacer : M4 * L(spacer length)  + 6mm(outside thread length)

Metric thread  diameter: M4(4mm)

Metric thread  pitch: 0.7mm(M4)

Outside  thread length:6mm

Spacer  length: 5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm.......40mm