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Wooden tapered mandrel is a handy way to hold and support rings during polishing and grinding processes.
7” Ring Mandrel:
Wooden Mandrel measures 7"-175mm in length with a diameter of 1-1/4" - 32mm at the large end and tapers down to 15/32" - 11.8mm.
9” Ring Mandrel:
Wooden Mandrel measures approximately 9" >>> (8-7/8" - 225mm in length with a diameter of 1-3/32" - 27.7mm at the large end and tapers down to 3/8" - 9.5mm).