Designed to engage the tab on a flip cap for pull-off force measurements. A spring-loaded hook retracts as it is lowered into the starting position, then snaps into place below the tab.
| Capacity | 20 lbF (100 N) |
| Weight | 0.10 lbs (0.04 kg) |
| Includes | #10-32 M/M stud with jam nuts |

