ITEM NAME:2X(Upgraded Nema 17 Stepper Steel And Rubber Vibration Dampers With Screw -B1T7) 2X(Upgraded Nema 17 Stepper Steel And Rubber Vibration Dampers With Screw -B1T7) 2X(The dampers reduce stepper motor noise and vibration. Excellent anti-vibration dampers for quiet stepper motors 1 Damper used per Stepper or Electric motor 3D Printers see a 5-10dB 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, Ender 3 and so on Pair these with good filament for the best results in your 3D printer and remove vibration and noise. Quieted Down 3D Printer Greatly. Color: gold Material: copper + CNC Package contents: 8* shock absorber 16* screw)