The Ring is a neodymium magnet that is not flexible.
It fits a variety of writing and drawing tools. The silicone support furnished with the Ring ensures that the Ring fits snugly onto your preferred tools.
The Ring included inside the Slate pack is a magnet ring with a silicone adapter in S size, compatible with drawing and writing tools up to 7,4mm (0,29 inch) of diameter.
An additional Ring pack is available on our webstore. It contains 2 rings and 4 silicone supports : 2 in S size and 2 in M size. The compatibility with your tools will be increased to 8,1mm of diameter.
A compatibility list of The Ring with the most famous drawing tools is available on our webstore.