Ceramic Screwdriver for Adjusting Stepper Drivers


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These are for adjusting those little current setting potentiometers on stepper drivers. The non-conducting tip means that accidentally poking other components, pins, or traces won't damage or interfere with the stepper driver.

Using metal tipped screwdrivers while the driver is powered on can cause damage to the driver or even the controller board. Additionally using a metal tipped driver often introduces electrical noise during the adjustment as the metal driver acts as a small antenna making precise adjustment hard.

These are a good quality Japanese branded driver that should last for your entire 3D printing lifetime. 

Should not be used as a general purpose screwdriver for doing up screws etc, the ceramic tip is not tough or strong enough for applying larger torques.