D'Andrea 1.97-2.68" 50-68mm TS 40/40 Twin Cutter Boring Head CCMT Carbide Insert

Not a lot to say, it moves and locks as you'd expect and appears to be in great shape. Boring arms are model SSCC 41.

These take CCMT 43x 1204xx carbide inserts, such as CCMT 431 432 120404 120408 etc..