At the clearing sale where i bought my surface grinder, i also picked up this thing- I thought I had got the greatest bargain ever on a spare mag chuck but when I took it out of the wooden box I discovered it isn't a mag chuck at all. Can anyone tell me what it's used for? Obviously used in conjunction with a magnetic chuck, it appears to re-align the fields longitudinally, but to what purpose?
mag adapter plate 1.jpgmag adapter 2.jpg
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