We got this from an overstock business liquidation sale. The Machinists that would know what this is are hard to get ahold of. For now we are putting a guesstimation of what it is and we're asking help from anybody to help us figure out what it truly is.(Much Appreciated) .Looks to be some kind of set up fixture for some kind of Milling or Gear Grinding Machine. It's made in Japan and it looks like Okamoto makes those types of machines. Complete in it's Factory Wooden box it all weighs 30 Lbs. Call or message.(952)854-5 seven eight six