Machinist Jack Screw Set LARGE SET OF 8 PCS 2-1/4" - 6-1/4" Mill Lathe Lift Tool
Most versatile Machinist Jack Screw. Includes 2 extensions 1" and 2", V base for use on a cylindrical form and reducing base for tight base. An auxiliary pointed screw is also supplied, to be used in place of the screw with swivel cap.