This ring holder is useful for holding rings or other round objects of all sizes so you can polish or engrave the inside of the ring. Holding a ring with your fingers while polishing or engraving can be dangerous, or cause burns or injuries. This tool has two round grooves for holding various sizes of rings, and each grove is carved so it can hold both wide and thin bands. Made of wood with a steel spring. Measures 8" (20.3 cm) long.