Precise 4" x 12" Cylindrical Square
- Use in surface plates as 90° reference angle.
- Used for checking squares, height gages and many instruments.
- The squares are hardened and the ends are lapped to 90° angular accuracy with the cylinders as follows: 6" square to ±.0002" and 12" square to ±.0003"
- Hardened and Lapped
- Supplied in fitted case
| Length | 12" |
| Shaft Diameter | 4" |
| Base Diameter | 4" |
| Accuracy | ±.0003" |
| Height | 12" |
| Size | 4" x 12" |
| Type | Non-Magnetic |
For more info, visit www.p65warnings.ca.gov.