Item Name: Lead Screw Customizing for 3D Printer T5 T6 T8 T10 T12 Material: Thread Rod: 304 Stainless Steel, Nut: Brass Thread Coverage: Fully Threaded/Custom Thread Thread Diameter: Multiple Threads Lead/Pitch: 1mm,2mm,4mm,8mm/1/2mm Measurement System: Metric PCs in Item: 1 PC Manufacturer: N/A, Made in China