Lathe Chuck:
Diameter: 100 mm (3.94")
Center Hole: 22 mm (0.866")
Thickness: 55 mm (2.16")
Bolt Circle Diameter: 84 mm (3.31")
Runout: 0.002"
Internal Jaw Clamping Range (A-A1): 2-30 mm (0.078"-1.18")
Internal Jaw Jamming Range (B-B1): 30-90 mm (1.18"-3.54")
External Jaw Clamping Range (C-C1): 30-80 mm (1.18"-3.15")

Package Includes:
1 X 100 mm/4 Inch Lathe Chuck Body
3 X Internal Jaws
3 X External Jaws
3 X Mounting Bolts
1 X Safety Chuck Key