T8x1 L600-1200MM Lead Screw Pitch 1mm Lead 1mm Trapezoidal ACME Rod & Brass Nut RM 20.62 to RM 273.78
12mm T12x12 Lead Screw Picth 2mm Lead 12mm Trapezoidal ACME Rod & Nut L100-550mm RM 77.21 to RM 169.64