Such a simple system, slide the collars down, place the stone, and slide the collars back. Until you lose a collar that is. For when you find yourself in that situation, we have replacement collars available. This is a set of the 2 collars needed for the 4mm flat stone holder.
| Abrasive Type | EDM |
| Country of Origin | Japan |
| Package Size | Set of 2 |
| Style | 4mm Collar |
