BQLZR Mechanical/Quartz Watch Tweezer Screwdriver Demagnetizer Repair Tool Degaussing Help to remove blockages in quartz watches Safely and quickly demagnetize tools like Tweezers, Screwdrivers, etc Powerful and compact, Widely used on watch movements and tools Place the tool or movement in the operation field and press and hold the button for around 5 seconds. Repeat the process until the desired effect has been achieved.