It depends on the magnetic.?
Like a magnetic chuch there most have a charge magnetic.? If take the chuck apart the magnet will loose most of charge.?
Do not buy use magnetic chuck unless check first.?
I only new one guy who did changing in 1970's.? He build his own charging station using a lot of big capacitors.?
Dave?
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Roy
Apr 13? ?
I doubt that pulling the magnet would de-magnetize it; the base was probably built by inserting a magnet into the housing