Vintage Heavy Duty Machinist Adjustable Screw Jack Leveling Blocks Mixed Lot For Sale

Vintage Heavy Duty Machinist Adjustable Screw Jack Leveling BlocksWorking condition is very good.The swivel pad when fully screwed down it is2-1/4\" high to 3-1/4\" extend. The points go from 3-1/4\" to 4\". Plus should be able toarrange to other heights. Along with these were set of stacking blocks markedStarrett not sure of there use, but they were keep in the same drawer as the Screw Jacks. These all appear to be in workingcondition. Please see the photos and thanks for looking.