Screwdriver Tweezers Demagnetizer Demagnetize Watch Repair Tool Electric US Plug Dimensions 110 x 57 x 32mm. It can work in both 110v and 220v Safely and quickly demagnetize tools like Tweezers, Screwdrivers, etc Also as a demagnetizer for watch movements. This small piece of work bench equipment will help remove blockages in quartz watches