Tables below show available styles of 360° combination radius charts. Single magnification screens are now available for 360° radius charts in limited sizes.
| Style | Magnification | Increments |
|---|---|---|
| Style 30 (Inches - 2-way) | 31.25X | .002 |
| 62.50X | .001 | |
| Style 31 (Inches - 2-way) | 31.25X | .005 |
| 62.50X | .0025 | |
| Style 35 (Inches - 4-way) | 10X | .005 |
| 20X | .0025 | |
| 50X | .001 | |
| 100X | .0005 | |
| Style 36 (Inches - 4-way) | 10X | .010 |
| 20X | .005 | |
| 50X | .002 | |
| 100X | .001 | |
| Style M37 (Metric - 4-way) | 10X | 0.20 |
| 20X | 0.10 | |
| 50X | 0.04 | |
| 100X | 0.02 |