540 series ductile alloy C‑clamps
| Order number | Clamping capacity | Throat depth | Clamping force | Approx. weight |
| inches | inches | lbs | lbs | |
|---|---|---|---|---|
| 540 - 2-1/2 | 0 - 2 1/2 | 1 3/4 | 1100 | 1.43 |
| 540 - 3 | 0 - 3 | 1 7/8 | 1800 | 1.65 |
| 540 - 4 | 0 - 4 | 2 1/16 | 2150 | 2.57 |
| 540 - 5 | 0 - 5 | 2 1/2 | 2250 | 2.86 |
| 540 - 6 | 0 - 6 | 2 3/4 | 2450 | 3.96 |
| 540 - 8 | 0 - 8 | 3 1/4 | 2750 | 4.84 |
| 540 - 10 | 0 - 10 | 3 5/8 | 2850 | 7.92 |
| 540 - 12 | 0 - 12 | 3 5/8 | 2850 | 8.58 |
| 540 - 14 | 0 - 14 | 3 3/4 | 2850 | 9.9 |
