Dampers eliminated the noise resonating in your CNC and 3d Printer from motors vibrating and amplifying with the metal construction . and effectively improving 3D printing quality. Our Stepper Dampers, Easy install,Better quality and appearance than the brass or green version of the damper on this site. 3D Printers see a 5-10 dB reduction in noise when used on X ,Y,Z Axis steppers with the vibration. We improved the Heatsink tape to more adhesive and solved the heat dissipation problem of the radiator.Hope our customers will like it Works on CR10,CR10 S/4/5, 3 /Pro, 5/ Pro, i3,Prusa Other Style 3D Printer for the results in your 3D printer and remove vibration and noise. Specifications: Vibration Dampers: Material: Steel & Rubber Size: 53.8*53.8mm Thickness:6mm M3 colour: black Material: stainless steel Package Contents: 6 * 24 * M3 screw 2 * Heat sink 2 * Thermal tape Note: The damper will be slightly scratched by friction during transportation. If there is a slight scratch, this is a normal phenomenon. Only 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.