Feature:1. The agate knives are made of pure natural agate, which is healthy and safe.2. Suitable for gold, sterling silver, platinum, jewelry and other metals surface polishing.3. There are different shapes and sizes, which will meet your different needs.4. The agate will not damage or mar precious metals, stones, or other materials.5. It can cleaning all kinds of gold, silver, copper jewelry dirt, very convenient to use.Specification:Condition: 100% Brand NewItem Type: Agate BurnisherUsage: Gold, sterling silver, platinum, jewelry surface polishing.Material: Agate (Knife), Bamboo, Iron (Handle)Handle Size:Bamboo Handle Knife Edge: Approx. 23.5cm / 9.3inBamboo Handle Sword Edge: Approx. 22.5 / 8.9inIron Handle Knife Edge (Long): Approx. 19.5cm / 7.7inIron Handle Sword Edge (Long): Approx. 20cm / 7.9inIron Handle Knife Edge (Short): Approx. 14.5cm / 5.7inIron Handle Sword Edge (Short): Approx. 14cm / 5.5in.Package List:6 x Agate BurnishersNote:The agate knife is made of pure natural agate which colors are gray and red. The color of each batch of products will be slightly different, and the size of each specification will also be slightly different. Agate knives will be shipped randomly when shipped, so they cannot be consistent with the picture.