This DIY gold and silver jewelry engraving machine is made of stainless steel, reliable performance and meeting all your engraving needs. This inner ring engraving machine features a 5-inch diameter standard letter dial, allowing for precise and detailed engraving on a variety of materials. This inner ring engraving machine is ideal for beginners and experienced jewelers alike, allowing for the customization of rings, bracelets, and other jewelry, adding a personalized touch. Measuring only 230*250*420 mm, this compact engraving machine easily fits into your workspace, taking up minimal space for convenient home or professional use. The manual operation of the inner ring engraving machine ensures complete control over your designs, easily creating intricate and personalized engravings., Manufacturer: QAXRZCUCD