Little Giant Jack Screws are used for leveling work on planer beds, drills, setting up machinery, and general use in toolrooms or machine shops. Have 20-pitch screws and for those who desire a finer adjustment. An auxiliary pointed screw is supplied, to be used in place of the screw with swivel cap. Another Extension base is furnished for places where it is not possible to obtain a bearing on a flat surface. Extension V base is for use against a cylindrical form.
