Durston 1512 PrecisionFit Plastic Ring Mandrel Graduated in USA Sizes 1 to 16 Clasps Machine cut for consistent dimensions

Machine cut for consistent dimensions and precision fit

yet performs on fine gauge wire as well

Grading note: Glardon-Vallorbe needle files are graded on a scale from 00 (coarsest) to 6 (finest)

3mm 81-175 14K White 7

and the sides adjust horizontally to reduce the cavity size—giving you control over the width of your ingot without requiring a separate mold

Durston 1512 PrecisionFit Plastic Ring Mandrel Graduated in USA Sizes 1 to 16 Clasps Machine cut for consistent dimensionsThe Durston 1512 PrecisionFit Plastic Ring Mandrel delivers accurate USA ring sizing from size 1 to 16 in a durable, high quality plastic construction. Durston's PrecisionFit technology is engineered to provide the most accurate ring sizing system available, ensuring a true, consistent fit between mandrel and ring. Whether you're sizing, forming, or checking finished bands, this mandrel gives you the precision you expect from Durston Tools at