Item Type: Anti-Backlash Nut Material: POM Model: T8 Thread Specification: T-thread Pitch: Approx. 2mm / 0.1in Diameter: Approx. 8mm / 0.3in Guide Distance: Approx. 2mm / 0.1in(one turn of the nut is 2mm / 0.1in) The POM nut is compatible for CR10 / CR-10S / Ender 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 1This kit is mainly used to eliminate the gap in accuracy machinery to match the workpiece. 2The anti-backlash nut is made of POM, with high tensile strength, low friction coefficient and stable performance. 3The anti-backlash nut kit is easy to install, noiseless in operation and high in accuracy. 4The anti-backlash nut and spring kit are standard in size, which can fit the T8 lead screw well. 5With a wide range of uses and can be used as an accessory for accuracy machinery such as 3D printers and DIY engraving machines.