Features 1、This silicone shock absorb pad suits perfectly for NEMA 17 stepper motor, 3D printers and other CNC machine. 2、Good at reducing motor resonance and printing noise, which ensures stable working with high efficiency as well. 3、Laser cutting can achieve perfect hole alignment, suitable for NEMA 17 hole spacing, the installation is very easy. 4、Including 5 pieces in one set, the 42mm x 42mm x 2mm damper will meet the needs for reducing vibration and noise. 5、Made of premium silicone material, the vibration damper is not easy to break, and very durable for long term use. Specification Item Type: Stepper Motor Vibration Damper Material: Silicone Material: Approx. 42 x 42mm / 1.7 x 1.7in Thickness: Approx. 2mm / 0.1in Package List 5 x Stepper Motor Vibration Damper