MGN5 miniature linear rail and carriage Miniature linear guide, 5mm wide and pitch 15mm Hand Tool, Mini 3D Printer, Kickstarter or DIY project choice. Material: 440C stainless steel miniature narrow linear rail equal to HIWIN MGN5 25mm (1 inch), 50mm (2 inches), 75mm, 100mm, 150mm, 200mm long rail 1...