Features 1、Made of natural agate material, it is wear-resistant and easy to use 2、Perfect jewelry polishing tools can make your jewelry brand new 3、It can clean all kinds of dirt on gold, silver and copper jewelry 4、When polishing jewelry, you can add appropriate amount of water or polishing oil, the effect will be better 5、This product contains four sizes of agate polishing knives, which can meet your different needs Specification Features: Made of natural agate material, it is wear-resistant and easy to use. Perfect jewelry polishing tools can make your jewelry brand new. It can clean all kinds of dirt on gold, silver and copper jewelry. When polishing jewelry, you can add appropriate amount of water or polishing oil, the effect will be better. This product contains four sizes of agate polishing knives, which can meet your different needs. Specification: Condition: 100% Brand New Material: Agate Item Type: Jewelry Polishing Tool Size: 9cm / 3.5in, 10cm / 3.9in, 12cm / 4.7in, 14cm / 5.5in(Optional) Package List: 1 x Agate Knife Note: 1. This is the fragile products, please keep carefully. 2. Agate knife is a natural product, the color and weight of each product will be slightly different due to production reasons, please understand.