Mandrel for ring ( Steel ) /1pc

This steel mandrels designed for ring making and forming, can also be used for a variety of other metal working tasks.
Used for shaping, straightening, and enlarging rings. also for gauging and holding the ring during stone setting. all are made of hardened tool steel. Professional quality.

	Length	Size (japan)
A	180mm	#3-#8
B	200mm	#6-#13
C	290mm