Morse taper center hole: MT4
Diameter of center hole: 1.5748" x 0.3937"
Width of T slot: 0.7086"
6 T slots
Width of locating key: 0.7086"
Transmission ratio of worm gear: 1:90
Readout of hand wheel: 1' per graduation
Minimum value of vernier: 10"
Indexing accuracy: 60"
Maximum working load: 662 lbs ( horizontally )
Surface to center slot squareness 0.0003"
Taper center bore concentricity TIR 0.0005"
Surface to base parallelism 0.0008"
Surface to angle face squareness 0.0004"
Cylinder center bore concentricity TIR 0.001"
10 second vernier reading
Dividing Plate and tailstock are optional parts and see another listing on Ebay.