Description: Name: 57 stepper motor shock absorber / shock absorber ring / cushion / shock absorber bracket Size: 75x75x10mm Front center hole distance: 66mm Reverse center hole distance: 66mm Inner hole diameter: 38mm Thickness: 6mm These dampers reduce the noise and vibration of the stepper motor. High quality anti-vibration shock absorber for 57stepper 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