Description: It can effectively reduce shock, suitable for 3D printer. Antivibration dampers can be applied to most stepper motors. Energy- absorbing rubber mounts with a metal mounting face. Stepper motors are affected by resonance. Resonance is caused by parts vibrating in concert with each other, which can be lessened by fitting a stepper motor antivibration damper. Specification: Material: Alloy Color: Golden Size: 3.7x3.7cm/ 1.5x1.5 inch Package Includes: 1 Piece of Shock Absorber