Ring sizer mandrel is made of aluminium.
The 27 Pcs ring sizer gauge set is made of stainless steel
Ring sizer gauge set has 27 Pieces, Size from 0 up to 13, with 1/2 sizes between each (no quarter sizes)
Package Included:1 x ring sizer mandrel; 1 x ring sizer guage
It is lightweight and easy to handle,often used in the production of jewelry rings, wedding rings can also be scheduled through this tool