Lead Screw :
Material: Stainless steel lead screw, copper nut
Screw diameter: 8mm
Optional Length:
100mm / 150mm / 200mm / 250mm / 300mm
350mm / 400mm / 450mm / 500mm / 550mm
Screw spacing: 2mm
Lead of thread: 2mm
Nut:
Lead: 2mm
Package Included : Please choose What you want