T12P2L4 Stainless Steel Trapezoidal Lead Screw 12mm P2 L4 + 1 Brass Nut CNC/3DP

1 pc stainless steel trapezoidal lead screw, Diameter 12mm, Pitch 2mm, Lead 4mm, double-start, screw length 100mm, with 1 matching brass nut, ends unmachined