| Units | Inch |
| Model | 250 |
| A | 0.240 in |
| B | 0.27 in |
| B1 | 0.250 in |
| C | 0.320 in |
| D | 0.210 in |
| E | 0.140 in |
| F | 0.250 in |
| Thread Size | 2 - 56 |
| Maximum Spread | 0.260 in |
| Torque Max | 0.5 ft lbs |
| Holding Force | 200 lbs |
| Clamp Pack | 6 |
| Key Size | 5/64 in |
| Replacement Steel Wedge | 60305 |
| Replacement Channel | 60205 |