Starrett® Jack Screw Set
- 20-Pitch Screw, 2 in (50 mm) Extension, 1 in (25 mm) Extension
- Ideal for levelling work on planer beds, drills, setting up machinery and use in tool rooms and machine shops
- Range in size from 2.25 to 3.375 in (57 to 85 mm)
- 20-pitch screw offers fine adjustments
- Auxiliary pointed screw can take the place of a screw with a swivel cap
- 2 in (50 mm) and 1 in (25 mm) extensions are ideal for situations where you can't obtain a bearing on a flat surface
- Jack base boasts a diameter of 1.25 in (32 mm)
- Extension V base is designed for use against a cylindrical form
- 2-1/4 - 3-3/8 in / 57-85 mm range
- 6-3/8 in / 162 mm maximum height with attachments
- 1-1/4 in / 32 mm jack base diameter
- Extension V base is for use against a cylindrical form
- Made in USA