Item Type:Hardware Parts/Machine PartsModel Number:3D PRINTER ACCESSORIESThickness:6 mmFunction:These Steel and Rubber Vibration Dampers play a role for reducing noise and vibration so that improves print speed,which are useful supplies in the life.Application:The Dampers are suitable for 3D printer and other machine adopted NEMA 17 stepper motors.Make sure this fits your printer.Material:thickness is 6 mm,made of brass which is durable and sturdy.Color:goldMaterial:brass + stainless steelPackage Contents:5 x Stepper dampers10 x ScrewsOnly the above package content, other products are not included.Note: Light shooting 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.