The dampers reduce stepper motor noise and vibration. Excellent anti-vibration dampers for quiet stepper motors1 Damper used per Stepper or Electric motor3D Printers see a 5-10dB reduction in noise when used on X and Y Axis steppers with the vibration damper for NEMA 17Works on both Cartesian and Delta style Additive Manufacturing machines such as CR-10, CR-10S, 3 and so onPair these with good filament for the best results in your 3D printer and remove vibration and noise. Quieted Down 3D Printer Greatly.These dampers reduce stepper motor noise and vibration. Excellent anti-vibration dampers for quiet stepper motors.Color: goldMaterial: Copper + CNCPackage Contents:3X 17 stepper motor damper6X ScrewOnly the above package content, other products are not included.Note: Light 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 +/- 1-3cm.