This listing is for the largest rotary table we have in open stock. It is a beefy, well made VERTEX product, manufactured with high density Meehanite and inspected using the HEIDENHAIN process to ensure flatness and parallelism. 4 3/4" t-slots and an MT4 center hole allow for easy work holding. Overall height is 5.32 inches. We also sell the dividing plates and tail stock for this unit. Please note, due to weight, this is a truck freight ship item.