Inside Ring Engraver Standard Letter Block Dial Jewelry Making Engraving MachineAll Metal Structure: The ring engraver stamper has an all metal body and a solid base. Its sturdy and durable. Whats more, the adjustable foot height can keep the machine in Balance. Excellent Lettering Pen: The inside ring engraver uses the sharp diamond nib, which can professionally carve gold, silver, and other materials, ensuring precise engraving and automatic centering. Precise Lettering Plate: The lettering plate of the ring engraver has two