Feature: 1. The anti‑backlash nut and spring kit are standard sizes, which can be well matched with the T8 lead screw. 2. The clearance‑eliminating nut kit is easy to install, with high accuracy and no noise during operation. 3. Made of POM and iron materials, it has high tensile strength, low friction coefficient and stable performance. 4. This kit is mainly used to eliminate the gap in fine machinery to match the workpiece. 5. Can be used as an accessory for accuracy machinery such as 3D printers and DIY engraving machines. Specification: Item Type: Anti-Backlash Nut Material: POM Model: S8 Thread Specification: T-thread Pitch: Approx. 2mm / 0.1in Diameter: Approx. 8mm / 0.3in Guide Distance: Approx. 8mm / 0.3in(one turn of the nut is 8mm / 0.3in) The POM nut is compatible for CR10 / CR-10S / Ender-3 / 3S / 3 Pro 3D printers and other 3D printers. The screw fixing holes of these 3D printers are M3, and the distance between the two holes is 18mm / 0.7in.. Package List: 1 x Anti-Backlash Nut 1 x Anti‑Backlash Spring 1 x Component