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https://www.weizhongmagnetics.com/products/ndfeb-rubberized-magnetic-recess-former.html

Product Description
These hemispherical magnetic former are co-used with anchors. The rubber could protect the working surfaces from scratches.

Two versions (with block magnets and one big ring magnet) are available.

If you need any kinds of magnet manufacturing, please contact us, as a professional custom magnets manufacturer, WEIZHONG is willing to offer you high quality products.