Material: NylonBearing material: bearing steelWeight :About 12gSpecifications: Reference pictureColor: WhitePackage included: 1pcs Bearing pulleyProduct features:1.M6*26*7 step 6mm screw bearing is designed and manufactured with excessive precision to ensure the accuracy and balance of the product, so that it would maintain good performance in high-speed rotation.2. The product is product of advantageous materials, has nice wear resistance and durability, can work stably in assorted environments, and has an extended carrier life.3. The product design is simple, the installation is handy and fast, which might save the user's installation time and improve the work efficiency.4. Suitable for every kind of equipment, similar to 3-d printers, CNC machine tools, mechanical devices, etc., to satisfy the purposes of alternative industries.Notes:1.Please enable 1-2cm variations due to handbook measurement, thanks.2.Please perceive due to gentle irradiation or pc demonstrate difference, so I can't guarantee photos and real shade is the same.