Small screw jack with a knurled head for quick, easy finger adjustment. Order matching Knurled Check Nut separately below if desired. Made in USA.The Knurled Screw Jacks are for Heavy System MF50 (5/8-11 thread)
| Material | Heat Treat | Finish | DFARS | RoHS |
| 1215 Steel | Carburized-Hardened | Black Oxide | ✔ | ✔ |

| A (Inch) | B (Inch) | C Dia |
| 5/8-11" | 2-1/2" | 1-3/8" |