26 Jul Transline Natural Obsidian Gold Test Stone – Premium Acid Testing Slate Black
The Transline (Guardhouse) Natural Obsidian Test Stone (Item #7497) is a premium alternative to the standard Arkansas (Novaculite) stone. Model / Transline # #7497 (Guardhouse). Cleaning: After testing, obsidian is easily cleaned with a drop of water and a small amount of baking soda or...