Description: Name: 42 stepper motor shock absorber / shock absorber ring / cushion / shock absorber bracket Size: 65*52*6mm Front center hole distance: 43mm Reverse center hole distance: 49mm Inner hole diameter: 19mm Thickness: 6mm These dampers reduce the noise and vibration of the stepper motor. High quality anti-vibration shock absorber for 42 stepper motors. They play a very important role in reducing noise and vibration, thereby increasing print speed Package Includes: 1x stepper motor Vibration Damper Shock Absorber