Starrett 190A "Little Giant" Jack Screw. Jack Only Without Attachments.

• Little Giant tool jack is used to level planer beds, upright drills and other tools in tool rooms and machine shops
• 20-pitch screw provides fine adjustment
• 2-1/4" to 3-3/8" (57 to 85 mm) range
• 1-1/4" (32 mm) diameter base
• Serrated bed helps hold tools in place

The Starrett 190A Little Giant tool jack is used to level tools and workpieces including planer beds, upright drills and other tools and workpieces in tool rooms and machine shops. The 20-pitch screw provides fine adjustment. The jack has a 2-1/4" to 3-3/8" (57 to 85 mm) range and a 1-1/4" (32 mm) diameter base. The serrated bed helps to hold tools in place. The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment and saw blade products. The company, founded in 1880, is headquartered in Athol, MA.