Linear Bearing Threaded Shaft, With Bush, Pitch=2mm Thread X L=600mm. Ideal For 3 D Printers And Other Automation Projects, Cnc Worm Thread, Ball Screw, 1 Rev=4mm,
Didn't wait long for package to arrive at my house and product is good quality and easy to assemble, I'm very happy with this product and will gladly buy from this store online again.