Brand: Ai. Machine no: D981X. Type: DR1S. Distance between centers: 500 mm. Center height: 135 mm. Turning diameter above the bed: 270 mm ø. Turning diameter above the support: 140 mm ø. Passage: 25 mm ø. 3-Jaw Chuck: 150 mm ø. Quick-change holders: 4. Speed: 45 - 4.000 RPM. Machine size (lxwxh): 1.400 x 600 x 1.400 mm.