Internal Band Clamp Adjustable Expanding Band Mandrel for Craftsmen, Hobbyists

Versatile Tooling: This essential workshop tool is designed for precision work on jade, emerald, and various gemstone rings, providing a stable base for polishing and shaping.

Multi-Step Design: Featuring a graduated conical head, this jewelry mandrel allows for seamless handling of multiple band sizes without the need for constant tool changes.

Secure Internal Grip: The adjustable band clamp utilizes an internal expansion mechanism to hold rings firmly from the inside, preventing surface scratches during delicate work.

Adjustable Compatibility: This expanding band mandrel is engineered with a conical inner hole and adjustable rod to fit various lathe and rotary tool setups for professional results.

Long-Lasting Construction: As a customized stepped band holder, it is crafted from high-quality materials to withstand the rigors of continuous grinding and finishing in a jewelry studio.