Table Diameter: 42" Parallelism (Top to Bottom): .0004" Tabletop Flatness: .0005" Tabletop Axial Run Out: .0004" Angular Resolution: .001˚ Guaranteed Accuracy: +4 ARC Seconds Guaranteed Repeatability: 1 ARC Seconds Number of Tee Slots: 8 Tee Bolt Size: 5/8" Drive Ratio: 534:1 Table Speed: 2.3 RPM Cont. Drive Torque of Standard Motor: 15 FT. LBS. Cont. Torque with Standard Motor: 2400 FT. LBS Maximum Cont. Worm Gear Torque: 6000 FT. LBS Dimensions: 49.75" X 42" X 13" Weight: 3,700 LBS (Approximate)