William Optics 90mm Tube Rings: clamps each 90 mm tube without scratching
These William Optics tube rings clamp tubes with a diameter of 90 mm securely and without scratches: the inside is lined with felt and the quick-release fastener with Teflon washer opens and closes with one movement, without tools.
Two M6 mounting screws per ring secure the assembly to a dovetail or plate. This allows you to quickly swap your tube between setups without constantly searching for screws.


For which tubes
Made for William Optics tubes with a 90 mm diameter; for other brands, measure the outer diameter of your tube before ordering.
Featured accessories
Mount the rings on the William Optics 290 mm Vixen dovetail or a Swan series Losmandy rail.
For whom yes and for whom no
- ✓ Owners of a 90 mm tube who want to change quickly and scratch-free
- ✗ Owners of other pipe diameters: choose the appropriate ring size
Specifications
| Content | binder rings |
| Inside diameter | 90 mm |
| Lining | Game |
| Closing | Quick-release fastener with Teflon washer |
| Attachment | 2x M6 per ring |
You can find more accessories for this brand at the William Optics brand page.





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