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Expanding ring turning mandrel made in high quality Stainless Steel
Fits ring sizes F - Q (USA 3-8). The mandrel also accommodates half sizes
It fits comfort ring cores to help make turning rings simple and easy.
The shaft has a diameter of approx 12.75mm and a length of approx 35mm
Just mount the ring core on the closest sized mandrel step, then lightly tighten with the allen key and the mandrel will produce a solid grip on the ring core.
For larger size ring see our 9-14 expanding ring mandrel