Turning your ring on a lathe will make ring making 10 times easier compared to using a tool or other methods. You will get a much more professional finish most of the time. If you make rings in more than one size, this expanding steel ring mandrel set is a must-have as you can easily swap out any size and get a snug fit within seconds.
This expanding ring mandrel for lathe fits ring sizes 7.5 to 10.5. This set also includes a hex key to expand and contract the mandrel. It has a 7-inch base to fit a variety of chucks and can be used in a lathe or drill press.
Using this expanding mandrel for lathe is easy. There is extra space on each ring size to accommodate tape to keep the inside of your rings scratch-free. For proper function, apply one or two layers of tape to the one you will be using. This helps protect the inside of your ring.
Expanding mandrel offers a high level of precision in ring making. Designed to be used in a lathe. Also fits in a 1/2-inch drill chuck.
Our expanding ring mandrels for ring making are made of durable steel. While other materials like wood or carbon steel rust or wear down, these ring expanders will stand the test of time even with heavy use.

Color: As shown
Material: stainless steel

Package contents:
1 pc x ring mandrel

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.