Grizzly H5940 Rotary Table with Indexing, 4-Inch Venire Scale Reads to 10 Seconds; MT -1 Spindle Bore; Horizontal or Vertical use Horizontal or Vertical use; 1:72 Ratio or 5-Degree per Revolution 4- 5/16-Inch T-slots; Indexing Pin/Handle 3 Dividing Plates; Sector Arms Coolant Trough; 10mm Locating Keys