These tool holders allow your GRS gravers and tools to fit in and lock in place, then they fit into a suitable QC handpiece.
In addition, they have 2 set screws to stop any movement of the tool/graver. They allow you to keep all of your gravers and tools organised.
Works with any GRS “QC” Quick Change compatible tool with a maximum width of 3.45mm. They feature an internal diameter of 3.45mm.