Accuracy (in)±.0002 InCase materialPlastic CaseClutchRatchet StopFinishEnamelPrimary (OD) contact point materialHardened SteelSpindle LockY
| Accuracy (in) | ±.0002 In |
| Case material | Plastic Case |
| Clutch | Ratchet Stop |
| Finish | Enamel |
| Primary (OD) contact point material | Hardened Steel |
| Spindle Lock | Y |