3D Printer T8 Lead Screw Set Dia 8MM Pitch 1mm Lead 1mm Length 200mm with 8x8mm shaft coupling Go to amazon.com Related posts Top 11 lead screw 200mm FeatureBrand new& High quality. DescriptionPackage content: 1pcs T8-200 lead screw 1pcs copper nut 1pcs coupler 8x8mm 2pcs pillow bearing block