Machinist estate item... Tool holder or ??, not sure of its use.. Heavy steel,weighs 5.3 lbs. 3" square. 3" high. Center part is 1 5/8" square. Bottom part is 1" thick. Top part is 5/8" thick. 1" between sections. Appears to be one piece?,sections do not move. No brand name or numbers. Shop made ? Good condition.. . Untested selling As Is ! .... Free Shipping... See our other items for many more machinist tools/more. All from same estate..