Features:OOTDTY   brand new and high qualityThese dampers reduce stepper motor noise and vibration. Excellent anti-vibration dampers for quiet stepper motor. motors 3D Printers reduction in noise when used on X and Y Axis steppers with the vibration damper for NEMA 17 Works on both Cartesian and Delta style Additive Manufacturing machines such as CR-10, CR-10S, V2 Ender 3 pro and so on Pair these with good filament for the best results in your 3D printer and remove vibration and noise. Specifications: Item: 17 Stepper Motor Dampers SetColor: BrassMaterial: Copper RubberSize: As PlcturesPackage Includes: 4PCS x Vibration Dampers8PCS x M3 ScrewsNote: Only the above package content, other products are not included.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 0-2 cm.