Description: Clear Acrylic and Brass Material: The bracket is supported by brass, and the base is made of transparent acrylic ,durable to use, smooth to touch . Multipurpose Use: Ideal for all kinds of collectibles such as: Mineral rock , Fossil Coral, painted rocks, minerals etc. Unique Design: Stands design,you don't need to worry if they might tip over, displaying your collectibles at a perfect viewing angle. Wide Application: Can be applied at home, office show room,art class, book store, wedding, shop window,museum etc. Ideal Gifts: The perfect gift for loved ones and friends. Display various balls at home or office with these mini stands. Specification: Product name: minerals display stand Material: brass, acrylic Overall size: approx. 5x5x4cm/ 1.97x1.97x1.57in, brass bracket diameter - 2.5mm Applicability: Show minerals, ores, crystals, strange stone, agate, etc. Package Includes: 16 Pieces Mineral Display Stands Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!