This sale is for your weight choice of Ceramic Tumbling Media that is used in a rock tumbler or vibratory polisher to provide a cushioning and filler for the polishing stages. They are approximately 1-5/32" in length, and 1-9/16" wide angular triangles. They are grey Angeled Triangles, they have a 30-degree angle cut on both sides. **Pre Tumbled** **No Break In Period** **They Are Reusable** **High Quality Long Life Span** **Used Condition** These are a general purpose media, which means they can be used with all 4 polishing stages if desired. They can be used to act as a filler in stages 1 and 2 if there are not enough stones to bring the barrel up to 3/4 full. With the angled cut of the media, it will allow better contact with the stones to help speed up the polishing time. In the 3rd and 4th stages, the media will act as a buffer to help keep the stones from making contact with each other. This media can be rinsed off and used in any stage of the polishing cycle, they will not hold grit like plastic pellets do. Sale is for selected weight of Ceramic Tumbling Media, These Have Been USED, But are ready to use, NO Tumbler, No Other Parts, Just What is In The Pictures. The media has been photographed on a 1-inch scale mat for size comparison purpose. Please ask all questions prior to purchase.