Little Giant Jack Screw from Starrett provides precise leveling for planers, drills, and machinery in toolrooms, with smooth adjustment from 1 1/2 to 2 1/4 inches and a 1 inch base for secure, accurate setup and reliable performance

Precision jack screw, jack-only leveler for machines
✔️ 1-1/2 to 2-1/4 in range, 1 in base diameter (38-57 mm)

The jack screw is a single piece used to level and support workpieces on machine beds, drill rigs, or in setups found in toolrooms and machine shops. It's handy for precise height adjustment and maintaining alignment during setup tasks.

✅ Size range: 1-1/2" to 2-1/4" (38-57 mm)
✅ Base diameter: 1" (25.4 mm)
✅ Screw pitch: 20-pitch standard; F190 40-pitch for finer adjustment
✅ Use: leveling and supporting workpieces in toolrooms or shops

💡 What is a jack screw used for in machining and setup? This handy tool helps level and support workpieces during setup. - Supports precise height adjustment - Helps maintain alignment during drilling, milling, and planning - Great for counteracting extended workpiece overhang