Contenti Split Mandrels

Article code 210000000254
Mandrels are used by inserting a piece of emery paper into the slot and wrapping the paper around the mandrel.
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A bench jeweler typically uses a split mandrel to sand and finish the inside of a ring. Various grits of abrasive papers can be cut to size and inserted into the slit of the mandrel, where they are held by friction during the rotary filing process.

Tapered split mandrels provide easier access when reaching tight spaces to sand.