Machinist estate item... Tool holder or ??, not sure of its use... Heavy steel,weighs 3 lbs. No brand name or numbers. 2 1/2" square. 1 5/8" high. Hole is 3/4" diameter,small set screw. Handle turns freely... Looks in Good condition.. . Untested selling As Is ! .... Free Shipping... See our other items for many more machinist tools/more. All from same estate..