Diamond working Available in 3in, 4in, 5in for choice, it is a good helper for garden carpentry enthusiasts. Diamond rhombic file is made of diamond material, it has higher hardness then normal products which makes job more efficiency as well as durability and longevity. Quality diamond grit filing surfaces make it suitable for processing of tools, glass, ceramics, gemstones, etc. The product is of electroplated processing and it has soft grip ergonomic handle with hanging holes for convenient storage. We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel to contact us at any time.