10pcs 3D Printer Parts Silent Step Stick Protector smoother Stepper Motor Drives Away Grain Filter TMC2100 Jutter EliminationThis smoother is mainly for the consumption patterns of parallel arm structure of 3D printer produces vibration lines, especially the effect of using DRV8825 motor drive and relatively low resistance is more obvious, can effectively eliminate low-speed situation uneven signal, the effect in the use of drv8825 driven 24V power source delta the most obvious effect.It can protect the Precious drivers, in particular the TMC2100.Package including:10pcs silent step stick protectors? Quality Warranty1.Please contact us if you have any problem of quality .2.90 Days of quality warranty .Item specifics:Item type: Motherboard