1Pcs 30mm x 300mm (1.18 x 11.81 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Guide Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance June_2023_update but with the ProDriver

but with the ProDriver

Enameled Magnetic Wire for Motor

Specification: Product Name: Tension Spring Type: Dual hook Main Material: Spring Steel Free Length: 30mm/1

or 30-FT x 12mm

1Pcs 30mm x 300mm (1.18 x 11.81 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Guide Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance June_2023_update but with the ProDriver1Pcs 30mm x 300mm (1. 18 x 11. 81 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Guide Shaft for 3D Printer, DIY, CNC Metric h8 Tolerance Product Features What You Get: 1Pcs 30mm x 300mm Linear Motion Rod Great Performance Material: 45# Carbon steel, Hardness about HRC55 62, Surface roughness about Ra0. 05 08, Straightness0. 1 1000mm, Chrome plated thickness about 0. 01mm Tolerance: Diameter tolerance about 0. 01to 0.