Inside Ring Engraver, Double Sided Dial Ring Engraver Stamper, 1.5mm-2.0mm Character Letter Block Ring Engraving Machine, Aluminum Alloy Body, with 3 Clamps, for Jewelry Rings Inner EngravingProduct Features All 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