*KeyFeatures *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 engraver has two sides with different size characters, 1.5 mm and 2 mm, supporting English letters, Arabic numerals on the dial. *Easy to Operate: First, put the ring into the chuck and tighten it, find the character to be carved, operate the pen and handle simultaneously, and gently draw. Then the letters will be engraved on the ring successfully. *Various Application: This jewelry stamper is designed for quick and easy engraving on the inside of various rings and is almost no different from hand engraving. Once you have it, you can create your personalized ring. ******************************************************************************************************* *Specifications Type: KD-810 Material: Aluminum Alloy Height of Each Character: 0.059-0.79 in / 1.5-2.0 mm The Rotary Angle of the Jaw: 360 Net Weight: 17.64 lbs / 8 kg Product Size: 16.14 x 9.84 x 9.06 in / 410 x 250 x 230 mm Packing Dimensions: 17.71 x 11.81 x 10.83 in / 450 x 300 x 275 mm ******************************************************************************************************* *Pakcage Content 1 x Inside Ring Engraving Machine 3 x Clamps 1 x User Manual