| Quantity | Price(USD) | Ship Date |
|---|---|---|
| 1-10 | $57.00 | TBD |
| 10- | $57.00 | TBD |
NOTE : Ship Dates above are subject to change depending upon availability.

A mid-sized solution offering an excellent balance between clear aperture and physical footprint. The 20mm face size is perfectly suited for industrial-grade leveling instruments and beam steering setups.
It provides a stable 90° reference beam that remains unaffected by minor prism tilts or vibrations, ensuring reliable performance in dynamic environments.
| Size (S) (mm) | Side Length (L) (mm) | Material |
|---|---|---|
| 20.0 | 22.0 | K9 (N-BK7) |
| Quantity | Price(USD) | Ship Date |
|---|---|---|
| 1-10 | $57.00 | TBD |
| 10- | $57.00 | TBD |