300mm T10 Lead Screw and Brass Nut Kit (Acme Thread, 2mm Pitch, 1 Start, 2mm Lead) for 3D Printer and CNC Machine Z Axis

ReliaBot 300mm T10 Tr10x2 Lead Screw and Brass Nut Kit (Acme Thread, 2mm Pitch, 1 Start, 2mm Lead) for 3D Printer and CNC Machine Z Axis

uxcell LM30UU Linear Ball Bearings 30mm Bore 45mm OD 64mm Long for CNC Machine 3D Printer 4pcs

2Pcs 10mm x 300mm (0.394 x 11.81 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Guide Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance