It is made of wood, metal materials, which is very suitable for stone carving enthusiasts and beginners. metal Wooden Clamp for Stone Carving Wood Working Clamp Professional Seal Clamp Seal Stone Bed , well-made and easy to control for handy craft use, which can you for a longtime. Chinese Seal Stone Bed Wood Clamp Seal Engraving Carving Clamp Adjustable Clamp for Stone Carving Wood Working Clamp Stone Carving Stand It is used to fix seals and stone carvings. Its sturdy interior and organizer keeps tools in place. Perfect and professional Wood Vise, you can make your own Chinese stamp seal by yourself., Manufacturer: PokFhgur